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Q: Which two numbers should be interchanged to make the given equation correct. 55 + 32 – 4 x (1 x 12) + (16 ÷ 4) = 31
  • A. 16 and 32
  • B. 55 and 32
  • C. 12 and 32
  • D. 12 and 16
Correct Answer: Option A -
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Explanations:

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