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Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 2 3 . . 3 4 1 2 4 1 2 3 1 2 3 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c3: row has [2, 3], column has [1, 2, 3] -> only 4 fits. - Cell r1c4: row has [2, 3, 4], colum...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 4 1 . 1 2 3 4 2 3 4 1 4 1 2 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c4: row has [1, 3, 4], column has [1, 4] -> only 2 fits. - Cell r4c4: row has [1, 2, 4], colum...
Question: A Sudoku column reads: 1 3 4 2 ? 8 5 7 9. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 7 8 9. - Missing from 1-9: 6. - check: all of 1-9 appear once with 6 filled in. Answer: 6
Question: What is 5 + 11 * 5? Let's think step by step. - Multiplication comes before addition. - 11 * 5 = 55. - Then add: 5 + 55 = 60. Answer: 60
Question: A Sudoku row reads: 4 7 ? 2 9 8 5 6 3. What digit goes in the ? cell? Let's think step by step. - The row must contain each of 1-9 exactly once. - Present: 2 3 4 5 6 7 8 9. - Missing from 1-9: 1. - check: all of 1-9 appear once with 1 filled in. Answer: 1
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 1 2 4 1 . 4 3 4 3 1 2 2 4 3 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c2: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - Cell r4c4: row has [2, 3, 4], co...
Question: A Sudoku 3x3 box reads: 9 8 3 1 7 2 5 4 ?. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 7 8 9. - Missing from 1-9: 6. - check: all of 1-9 appear once with 6 filled in. Answer: 6
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 4 2 . 3 1 4 2 4 2 3 1 2 3 1 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c4: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - check: row r1 is now 1 4 2 3 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): . 4 . 2 2 3 4 1 4 1 2 3 1 2 3 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c1: row has [2, 4], column has [1, 2, 4] -> only 3 fits. - Cell r1c3: row has [2, 3, 4], colum...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 2 1 4 3 . 4 3 2 4 3 2 1 3 2 1 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c1: row has [2, 3, 4], column has [2, 3, 4] -> only 1 fits. - check: row r2 is now 1 4 3 2 and...
Question: A Sudoku 3x3 box reads: 8 3 2 6 1 9 ? 4 5. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 8 9. - Missing from 1-9: 7. - check: all of 1-9 appear once with 7 filled in. Answer: 7
Question: Solve for x: 4x + 15 = 89 Let's think step by step. - Subtract 15 from both sides: 4x = 89 - 15 = 74. - Divide both sides by 4: x = 74/4. Answer: 74/4
Question: A Sudoku 3x3 box reads: 9 2 6 3 4 ? 8 5 1. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 8 9. - Missing from 1-9: 7. - check: all of 1-9 appear once with 7 filled in. Answer: 7
Question: A Sudoku row reads: 9 1 7 8 6 2 ? 3 5. What digit goes in the ? cell? Let's think step by step. - The row must contain each of 1-9 exactly once. - Present: 1 2 3 5 6 7 8 9. - Missing from 1-9: 4. - check: all of 1-9 appear once with 4 filled in. Answer: 4
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 2 4 1 4 1 3 . 1 3 2 4 2 4 1 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c4: row has [1, 3, 4], column has [1, 4] -> only 2 fits. - Cell r4c4: row has [1, 2, 4], colum...
Question: A Sudoku column reads: 5 ? 1 9 4 2 6 3 8. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 8 9. - Missing from 1-9: 7. - check: all of 1-9 appear once with 7 filled in. Answer: 7
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 1 . 2 2 4 1 3 3 2 4 1 1 3 2 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c3: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - check: row r1 is now 4 1 3 2 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 1 2 4 4 3 1 2 1 2 4 3 2 4 . 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c3: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - check: row r4 is now 2 4 3 1 and...
Question: A Sudoku column reads: 2 1 ? 7 4 3 8 6 5. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 7 8. - Missing from 1-9: 9. - check: all of 1-9 appear once with 9 filled in. Answer: 9
Question: What comes next: 8, 10, 12, 14, 16, 18? Let's think step by step. - Find the difference: 10 - 8 = 2. - The sequence increases by 2 each time. - Next = 18 + 2 = 20. Answer: 20
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 2 4 1 1 3 2 4 4 1 3 2 2 4 1 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c4: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - check: row r4 is now 2 4 1 3 and...
Question: A Sudoku 3x3 box reads: 9 4 ? 5 2 8 1 3 6. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 8 9. - Missing from 1-9: 7. - check: all of 1-9 appear once with 7 filled in. Answer: 7
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 . 1 4 2 1 4 3 4 . 2 1 1 4 3 2 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c2: row has [1, 3, 4], column has [1, 4] -> only 2 fits. - Cell r3c2: row has [1, 2, 4], colum...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 4 2 3 3 1 4 2 2 3 1 4 4 2 . 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c3: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - check: row r4 is now 4 2 3 1 and...
Question: A Sudoku column reads: 5 1 ? 7 8 3 6 2 4. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 7 8. - Missing from 1-9: 9. - check: all of 1-9 appear once with 9 filled in. Answer: 9
Question: A Sudoku row reads: 5 2 ? 7 8 6 1 4 9. What digit goes in the ? cell? Let's think step by step. - The row must contain each of 1-9 exactly once. - Present: 1 2 4 5 6 7 8 9. - Missing from 1-9: 3. - check: all of 1-9 appear once with 3 filled in. Answer: 3
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 2 . 4 1 4 1 2 3 1 . 3 4 3 4 1 2 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c2: row has [1, 2, 4], column has [1, 4] -> only 3 fits. - Cell r3c2: row has [1, 3, 4], colum...
Question: What comes next: 5, 12, 19, 26? Let's think step by step. - Find the difference: 12 - 5 = 7. - The sequence increases by 7 each time. - Next = 26 + 7 = 33. Answer: 33
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): . 4 3 . 4 . 1 2 1 2 4 3 3 1 2 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c1: row has [3, 4], column has [1, 3, 4] -> only 2 fits. - Cell r1c4: row has [2, 3, 4], colum...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 4 1 2 . 3 4 1 1 2 3 4 4 1 2 3 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c1: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - check: row r2 is now 2 3 4 1 and...
Question: A Sudoku 3x3 box reads: 5 9 8 4 6 7 1 3 ?. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 3 4 5 6 7 8 9. - Missing from 1-9: 2. - check: all of 1-9 appear once with 2 filled in. Answer: 2
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 2 4 3 1 4 3 1 . 3 1 2 4 1 2 . 3 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c4: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - Cell r4c3: row has [1, 2, 3], co...
Question: A Sudoku column reads: 6 2 1 ? 3 8 7 9 5. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 5 6 7 8 9. - Missing from 1-9: 4. - check: all of 1-9 appear once with 4 filled in. Answer: 4
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 1 2 3 2 3 4 1 3 4 . 2 1 2 3 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c3: row has [2, 3, 4], column has [2, 3, 4] -> only 1 fits. - check: row r3 is now 3 4 1 2 and...
Question: A Sudoku 3x3 box reads: 9 ? 7 3 1 2 8 5 6. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 5 6 7 8 9. - Missing from 1-9: 4. - check: all of 1-9 appear once with 4 filled in. Answer: 4
Question: What comes next: 6, 12, 18, 24, 30? Let's think step by step. - Find the difference: 12 - 6 = 6. - The sequence increases by 6 each time. - Next = 30 + 6 = 36. Answer: 36
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 4 3 2 3 2 1 4 . 1 4 3 4 3 2 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c1: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - check: row r3 is now 2 1 4 3 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): . 1 2 4 4 3 1 2 1 2 4 . 2 4 3 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c1: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - Cell r3c4: row has [1, 2, 4], co...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): . . 4 3 4 3 2 1 3 2 1 4 1 4 3 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c1: row has [3, 4], column has [1, 3, 4] -> only 2 fits. - Cell r1c2: row has [2, 3, 4], colum...
Question: A Sudoku column reads: ? 5 2 9 6 1 7 3 4. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 7 9. - Missing from 1-9: 8. - check: all of 1-9 appear once with 8 filled in. Answer: 8
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 4 1 . 2 3 . 1 4 1 2 3 1 . 3 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c4: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - Cell r2c3: row has [1, 2, 3], co...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 2 3 1 3 1 4 2 . 4 2 3 2 3 . 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c1: row has [2, 3, 4], column has [2, 3, 4] -> only 1 fits. - Cell r4c3: row has [2, 3, 4], co...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 2 4 . . 3 2 4 1 4 1 3 2 1 3 . 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c3: row has [2, 4], column has [3, 4] -> only 1 fits. - Cell r1c4: row has [1, 2, 4], column h...
Question: What is 5/11 + 3/9? Let's think step by step. - Common denominator is 11 * 9 = 99. - Rewrite: (5*9)/99 + (3*11)/99. - Add numerators: 45 + 33 = 78, giving 78/99. - Simplify by dividing top and bottom by 3: 78/99 = 26/33. Answer: 26/33
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 4 3 2 4 3 2 1 3 2 1 . 2 1 4 3 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c4: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - check: row r3 is now 3 2 1 4 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 2 1 3 3 4 2 1 1 3 4 2 . 1 3 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c1: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - check: row r4 is now 2 1 3 4 and...
Question: A Sudoku column reads: 5 4 8 3 2 7 6 ? 9. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 2 3 4 5 6 7 8 9. - Missing from 1-9: 1. - check: all of 1-9 appear once with 1 filled in. Answer: 1
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 3 1 2 1 2 4 3 3 1 2 4 2 4 3 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c4: row has [2, 3, 4], column has [2, 3, 4] -> only 1 fits. - check: row r4 is now 2 4 3 1 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 4 . . 2 3 4 1 1 2 3 4 4 1 2 3 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c3: row has [3, 4], column has [2, 3, 4] -> only 1 fits. - Cell r1c4: row has [1, 3, 4], colum...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 2 1 3 4 4 2 1 . 3 4 2 1 . 3 4 2 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c4: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - Cell r4c1: row has [2, 3, 4], co...
Question: A Sudoku 3x3 box reads: 1 5 4 ? 9 3 7 2 8. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 7 8 9. - Missing from 1-9: 6. - check: all of 1-9 appear once with 6 filled in. Answer: 6
Question: What is 11 + 8 * 7? Let's think step by step. - Multiplication comes before addition. - 8 * 7 = 56. - Then add: 11 + 56 = 67. Answer: 67
Question: A Sudoku column reads: ? 6 9 5 2 3 7 8 4. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 2 3 4 5 6 7 8 9. - Missing from 1-9: 1. - check: all of 1-9 appear once with 1 filled in. Answer: 1
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 . 3 2 4 3 2 1 2 . 4 3 3 2 1 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c2: row has [1, 2, 3], column has [2, 3] -> only 4 fits. - Cell r3c2: row has [2, 3, 4], colum...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 2 3 4 3 4 1 . 4 1 2 3 2 3 4 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c4: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - check: row r2 is now 3 4 1 2 and...
Question: A Sudoku 3x3 box reads: 2 ? 4 8 1 7 6 9 3. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 6 7 8 9. - Missing from 1-9: 5. - check: all of 1-9 appear once with 5 filled in. Answer: 5
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 4 2 3 3 1 4 2 2 3 1 . 4 2 3 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c4: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - check: row r3 is now 2 3 1 4 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 3 1 2 3 1 2 4 2 4 3 1 1 2 4 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c4: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - check: row r4 is now 1 2 4 3 and...
Question: A Sudoku 3x3 box reads: 1 4 8 2 3 6 ? 9 7. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 6 7 8 9. - Missing from 1-9: 5. - check: all of 1-9 appear once with 5 filled in. Answer: 5
Question: What is 2/6 + 2/5? Let's think step by step. - Common denominator is 6 * 5 = 30. - Rewrite: (2*5)/30 + (2*6)/30. - Add numerators: 10 + 12 = 22, giving 22/30. - Simplify by dividing top and bottom by 2: 22/30 = 11/15. Answer: 11/15
Question: A Sudoku row reads: 8 ? 2 5 6 4 1 7 9. What digit goes in the ? cell? Let's think step by step. - The row must contain each of 1-9 exactly once. - Present: 1 2 4 5 6 7 8 9. - Missing from 1-9: 3. - check: all of 1-9 appear once with 3 filled in. Answer: 3
Question: A Sudoku 3x3 box reads: 6 1 7 9 3 4 2 ? 5. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 7 9. - Missing from 1-9: 8. - check: all of 1-9 appear once with 8 filled in. Answer: 8
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 2 1 . 4 3 4 2 1 4 2 1 3 1 3 4 2 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c3: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - check: row r1 is now 2 1 3 4 and...
Question: A Sudoku row reads: 4 8 5 9 6 1 2 7 ?. What digit goes in the ? cell? Let's think step by step. - The row must contain each of 1-9 exactly once. - Present: 1 2 4 5 6 7 8 9. - Missing from 1-9: 3. - check: all of 1-9 appear once with 3 filled in. Answer: 3
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 2 4 1 1 3 2 4 2 . . 3 4 1 3 2 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c2: row has [2, 3], column has [1, 2, 3] -> only 4 fits. - Cell r3c3: row has [2, 3, 4], colum...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 3 2 . 2 1 4 3 1 4 3 . 3 2 1 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c4: row has [2, 3, 4], column has [3, 4] -> only 1 fits. - Cell r3c4: row has [1, 3, 4], colum...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 4 1 2 4 1 2 3 1 2 3 4 2 . 4 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c2: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - check: row r4 is now 2 3 4 1 and...
Question: What is 9% of 2500? Let's think step by step. - Convert 9% to 9/100. - Multiply: 2500 * 9/100 = 225. Answer: 225
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 . 3 4 2 3 4 1 3 4 1 2 4 1 2 3 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c2: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - check: row r1 is now 1 2 3 4 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 2 1 4 . 1 4 3 4 3 2 1 1 4 3 2 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c1: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - check: row r2 is now 2 1 4 3 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 3 2 4 2 . 1 3 4 1 3 2 . 2 4 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c2: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - Cell r4c1: row has [1, 2, 4], co...
Question: A Sudoku 3x3 box reads: 8 5 6 7 1 3 2 ? 4. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 7 8. - Missing from 1-9: 9. - check: all of 1-9 appear once with 9 filled in. Answer: 9
Question: A Sudoku 3x3 box reads: 9 6 1 3 4 2 ? 7 8. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 6 7 8 9. - Missing from 1-9: 5. - check: all of 1-9 appear once with 5 filled in. Answer: 5
Question: A Sudoku column reads: 3 6 1 ? 4 9 7 2 8. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 4 6 7 8 9. - Missing from 1-9: 5. - check: all of 1-9 appear once with 5 filled in. Answer: 5
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 2 1 4 4 . . 1 2 1 4 3 1 . 3 2 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c2: row has [1, 4], column has [1, 2] -> only 3 fits. - Cell r2c3: row has [1, 3, 4], column h...
Question: A car travels 130 miles in 1 hours. What is its speed? Let's think step by step. - Speed = distance / time. - Speed = 130 / 1 = 130 mph. Answer: 130 mph
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 2 3 1 3 1 4 2 2 . 1 4 . 4 2 3 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c2: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - Cell r4c1: row has [2, 3, 4], co...
Question: A Sudoku column reads: 7 3 5 8 9 6 ? 4 1. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 3 4 5 6 7 8 9. - Missing from 1-9: 2. - check: all of 1-9 appear once with 2 filled in. Answer: 2
Question: A Sudoku 3x3 box reads: 5 1 7 8 2 ? 9 4 3. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 7 8 9. - Missing from 1-9: 6. - check: all of 1-9 appear once with 6 filled in. Answer: 6
Question: A Sudoku column reads: 9 8 7 1 5 ? 3 2 6. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 5 6 7 8 9. - Missing from 1-9: 4. - check: all of 1-9 appear once with 4 filled in. Answer: 4
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 3 1 2 3 1 2 4 2 . 3 1 1 2 4 3 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c2: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - check: row r3 is now 2 4 3 1 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 2 3 . 1 4 . 2 3 3 4 1 2 1 2 3 . Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c3: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - Cell r2c2: row has [2, 3, 4], co...
Question: A Sudoku 3x3 box reads: 5 9 ? 3 8 2 1 6 4. What digit goes in the ? cell? Let's think step by step. - The 3x3 box must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 8 9. - Missing from 1-9: 7. - check: all of 1-9 appear once with 7 filled in. Answer: 7
Question: How many numbers between 29 and 79 are divisible by 3? Let's think step by step. - First multiple of 3 >= 29 is 30. - Last multiple <= 79 is 78. - Count = 17. Answer: 17
Question: A Sudoku row reads: 2 ? 9 5 8 3 6 7 4. What digit goes in the ? cell? Let's think step by step. - The row must contain each of 1-9 exactly once. - Present: 2 3 4 5 6 7 8 9. - Missing from 1-9: 1. - check: all of 1-9 appear once with 1 filled in. Answer: 1
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 2 3 4 4 1 2 3 3 4 1 2 2 3 . 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c3: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - check: row r4 is now 2 3 4 1 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 1 4 2 . 2 3 1 1 4 2 3 2 3 1 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r2c1: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - check: row r2 is now 4 2 3 1 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 3 2 4 4 1 3 2 2 4 1 3 3 2 . 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c3: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - check: row r4 is now 3 2 4 1 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 4 3 2 3 2 1 4 2 1 4 3 . 3 2 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c1: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - check: row r4 is now 4 3 2 1 and...
Question: A Sudoku column reads: 7 1 8 6 3 5 2 4 ?. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 6 7 8. - Missing from 1-9: 9. - check: all of 1-9 appear once with 9 filled in. Answer: 9
Question: A Sudoku column reads: 9 3 4 2 5 7 1 8 ?. What digit goes in the ? cell? Let's think step by step. - The column must contain each of 1-9 exactly once. - Present: 1 2 3 4 5 7 8 9. - Missing from 1-9: 6. - check: all of 1-9 appear once with 6 filled in. Answer: 6
Question: What is 1414 * 8957? Let's think step by step. - Break 8957 into parts. - Multiply: 1414 * 8957 = 12665198. Answer: 12665198
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 3 4 2 3 4 2 1 2 . 3 4 4 2 1 3 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c2: row has [2, 3, 4], column has [2, 3, 4] -> only 1 fits. - check: row r3 is now 2 1 3 4 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 2 1 . . 1 4 3 1 4 3 2 4 3 2 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c4: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - Cell r2c1: row has [1, 3, 4], co...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 4 3 1 2 3 1 2 4 . 2 4 3 2 4 3 1 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r3c1: row has [2, 3, 4], column has [2, 3, 4] -> only 1 fits. - check: row r3 is now 1 2 4 3 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 4 1 . 4 1 2 3 2 3 4 1 . 2 3 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r1c4: row has [1, 3, 4], column has [1, 3, 4] -> only 2 fits. - Cell r4c1: row has [2, 3, 4], co...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 1 3 4 2 4 2 1 3 3 4 2 1 2 1 . 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c3: row has [1, 2, 4], column has [1, 2, 4] -> only 3 fits. - check: row r4 is now 2 1 3 4 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 2 4 1 2 4 1 3 4 1 3 2 . 3 2 4 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c1: row has [2, 3, 4], column has [2, 3, 4] -> only 1 fits. - check: row r4 is now 1 3 2 4 and...
Question: Fill the missing cells in this 4x4 Sudoku (rows and columns each contain 1-4 once): 3 2 1 4 1 4 3 2 4 3 2 1 2 1 . 3 Let's think step by step. - Each row and each column must contain 1, 2, 3, 4 exactly once. - Cell r4c3: row has [1, 2, 3], column has [1, 2, 3] -> only 4 fits. - check: row r4 is now 2 1 4 3 and...
Question: Each item costs $72. You buy 6 and pay $440. How much change? Let's think step by step. - Total cost = 72 * 6 = $432. - Change = 440 - 432 = $8. Answer: $8