Science Quizzes questions with answers

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Q10221: What is the missing number: 60 + ? = 138

Answer: 78

💡 Missing number = 138 - 60 = 78; check: 60 + 78 = 138.

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Q10222: What is the missing number: ? + 65 = 145

Answer: 80

💡 Missing number = 145 - 65 = 80; check: 65 + 80 = 145.

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Q10223: What is the value of x if: x - 12 = 29

Answer: 41

💡 x = 29 + 12 = 41; check: 41 - 12 = 29.

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Q10224: What is the missing number: 164 + ? = 285

Answer: 121

💡 Missing number = 285 - 164 = 121; check: 164 + 121 = 285.

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Q10225: What is the missing number: ? + 61 = 237

Answer: 176

💡 Missing number = 237 - 61 = 176; check: 61 + 176 = 237.

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Q10226: What is the missing number: ? + 43 = 106

Answer: 63

💡 Missing number = 106 - 43 = 63; check: 43 + 63 = 106.

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Q10227: What is the value of x if: x - 180 = 71

Answer: 251

💡 x = 71 + 180 = 251; check: 251 - 180 = 71.

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Q10228: What is the value of x if: x - 68 = 89

Answer: 157

💡 x = 89 + 68 = 157; check: 157 - 68 = 89.

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Q10229: What is the value of x if: x - 40 = 85

Answer: 125

💡 x = 85 + 40 = 125; check: 125 - 40 = 85.

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Q10230: What is the missing number: ? × 7 = 35

Answer: 5

💡 Missing number = 35 ÷ 7 = 5; check: 5 × 7 = 35.

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Q10231: What is the missing number: ? + 76 = 86

Answer: 10

💡 Missing number = 86 - 76 = 10; check: 76 + 10 = 86.

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Q10232: What is the missing number: ? + 173 = 331

Answer: 158

💡 Missing number = 331 - 173 = 158; check: 173 + 158 = 331.

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Q10233: What is the value of x if: x - 48 = 6

Answer: 54

💡 x = 6 + 48 = 54; check: 54 - 48 = 6.

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Q10234: What is the missing number: 40 + ? = 149

Answer: 109

💡 Missing number = 149 - 40 = 109; check: 40 + 109 = 149.

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Q10235: What is the value of x if: x - 19 = 150

Answer: 169

💡 x = 150 + 19 = 169; check: 169 - 19 = 150.

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Q10236: What is the missing number: ? + 127 = 245

Answer: 118

💡 Missing number = 245 - 127 = 118; check: 127 + 118 = 245.

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Q10237: What is the value of x if: x - 28 = 37

Answer: 65

💡 x = 37 + 28 = 65; check: 65 - 28 = 37.

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Q10238: What is the missing number: ? + 29 = 177

Answer: 148

💡 Missing number = 177 - 29 = 148; check: 29 + 148 = 177.

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Q10239: What is the value of x if: x - 4 = 119

Answer: 123

💡 x = 119 + 4 = 123; check: 123 - 4 = 119.

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Q10240: What is the missing number: ? + 51 = 110

Answer: 59

💡 Missing number = 110 - 51 = 59; check: 51 + 59 = 110.

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