Science Quizzes questions with answers

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Q11601: What is the value of x if: x - 18 = 5

Answer: 23

💡 x = 5 + 18 = 23; check: 23 - 18 = 5.

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Q11602: What is the missing number: 48 + ? = 183

Answer: 135

💡 Missing number = 183 - 48 = 135; check: 48 + 135 = 183.

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Q11603: What is the value of x if: x - 19 = 5

Answer: 24

💡 x = 5 + 19 = 24; check: 24 - 19 = 5.

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Q11604: What is the value of x if: x - 157 = 50

Answer: 207

💡 x = 50 + 157 = 207; check: 207 - 157 = 50.

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Q11605: What is the missing number: ? + 39 = 71

Answer: 32

💡 Missing number = 71 - 39 = 32; check: 39 + 32 = 71.

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Q11606: What is the missing number: 13 + ? = 72

Answer: 59

💡 Missing number = 72 - 13 = 59; check: 13 + 59 = 72.

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Q11607: What is the value of x if: x - 56 = 242

Answer: 298

💡 x = 242 + 56 = 298; check: 298 - 56 = 242.

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Q11608: What is the value of x if: x - 16 = 31

Answer: 47

💡 x = 31 + 16 = 47; check: 47 - 16 = 31.

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Q11609: What is the missing number: ? + 4 = 151

Answer: 147

💡 Missing number = 151 - 4 = 147; check: 4 + 147 = 151.

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Q11610: What is the value of x if: x - 45 = 27

Answer: 72

💡 x = 27 + 45 = 72; check: 72 - 45 = 27.

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Q11611: What is the value of x if: x - 17 = 241

Answer: 258

💡 x = 241 + 17 = 258; check: 258 - 17 = 241.

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Q11612: What is the missing number: ? + 95 = 267

Answer: 172

💡 Missing number = 267 - 95 = 172; check: 95 + 172 = 267.

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Q11613: What is the missing number: ? + 159 = 192

Answer: 33

💡 Missing number = 192 - 159 = 33; check: 159 + 33 = 192.

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Q11614: What is the missing number: 83 + ? = 121

Answer: 38

💡 Missing number = 121 - 83 = 38; check: 83 + 38 = 121.

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Q11615: What is the missing number: 71 + ? = 101

Answer: 30

💡 Missing number = 101 - 71 = 30; check: 71 + 30 = 101.

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Q11616: What is the missing number: 28 + ? = 120

Answer: 92

💡 Missing number = 120 - 28 = 92; check: 28 + 92 = 120.

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Q11617: What is double 289?

Answer: 578

💡 Double the number = 289 × 2 = 578.

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Q11618: What is double 275?

Answer: 550

💡 Double the number = 275 × 2 = 550.

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Q11619: What is half of 706?

Answer: 353

💡 Half the number = 706 ÷ 2 = 353.

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Q11620: What is double 109?

Answer: 218

💡 Double the number = 109 × 2 = 218.

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