Science Quizzes questions with answers

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Q10561: What is the value of x if: x - 30 = 31

Answer: 61

💡 x = 31 + 30 = 61; check: 61 - 30 = 31.

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Q10562: What is the missing number: ? + 160 = 271

Answer: 111

💡 Missing number = 271 - 160 = 111; check: 160 + 111 = 271.

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Q10563: What is the missing number: ? + 114 = 192

Answer: 78

💡 Missing number = 192 - 114 = 78; check: 114 + 78 = 192.

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Q10564: What is the missing number: ? + 171 = 326

Answer: 155

💡 Missing number = 326 - 171 = 155; check: 171 + 155 = 326.

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Q10565: What is the missing number: ? + 171 = 331

Answer: 160

💡 Missing number = 331 - 171 = 160; check: 171 + 160 = 331.

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Q10566: What is the missing number: 108 + ? = 225

Answer: 117

💡 Missing number = 225 - 108 = 117; check: 108 + 117 = 225.

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Q10567: What is the missing number: 15 + ? = 75

Answer: 60

💡 Missing number = 75 - 15 = 60; check: 15 + 60 = 75.

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Q10568: What is the missing number: 167 + ? = 305

Answer: 138

💡 Missing number = 305 - 167 = 138; check: 167 + 138 = 305.

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Q10569: What is the missing number: 45 + ? = 178

Answer: 133

💡 Missing number = 178 - 45 = 133; check: 45 + 133 = 178.

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Q10570: What is the missing number: ? + 12 = 185

Answer: 173

💡 Missing number = 185 - 12 = 173; check: 12 + 173 = 185.

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Q10571: What is the value of x if: x - 80 = 208

Answer: 288

💡 x = 208 + 80 = 288; check: 288 - 80 = 208.

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Q10572: What is the value of x if: x - 66 = 67

Answer: 133

💡 x = 67 + 66 = 133; check: 133 - 66 = 67.

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Q10573: What is the missing number: ? + 158 = 205

Answer: 47

💡 Missing number = 205 - 158 = 47; check: 158 + 47 = 205.

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Q10574: What is the missing number: ? + 51 = 222

Answer: 171

💡 Missing number = 222 - 51 = 171; check: 51 + 171 = 222.

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Q10575: What is the missing number: ? + 2 = 108

Answer: 106

💡 Missing number = 108 - 2 = 106; check: 2 + 106 = 108.

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Q10576: What is the missing number: 166 + ? = 173

Answer: 7

💡 Missing number = 173 - 166 = 7; check: 166 + 7 = 173.

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Q10577: What is the missing number: 7 + ? = 23

Answer: 16

💡 Missing number = 23 - 7 = 16; check: 7 + 16 = 23.

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Q10578: What is the value of x if: x - 66 = 35

Answer: 101

💡 x = 35 + 66 = 101; check: 101 - 66 = 35.

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Q10579: What is the missing number: 61 + ? = 192

Answer: 131

💡 Missing number = 192 - 61 = 131; check: 61 + 131 = 192.

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Q10580: What is the value of x if: x - 121 = 40

Answer: 161

💡 x = 40 + 121 = 161; check: 161 - 121 = 40.

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