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SSC CHSL 2024 · PYQ · Mathematical Operations · medium

Which two number should be interchanged to make the given equation correct? 45 ÷ 3 + 12 × 9 – 15 + 2 × 5 = 36

Answer

The correct answer is C: 3 and 9. Swapping 3 and 9: 45 ÷ 9 + 12 × 3 – 15 + 2 × 5 = 5 + 36 – 15 + 10 = 36 ✓. So swapping 3 and 9 makes the equation correct.

  1. A.12 and 5
  2. B.2 and 9
  3. C.3 and 9✓ Correct
  4. D.5 and 3

Explanation

Swapping 3 and 9: 45 ÷ 9 + 12 × 3 – 15 + 2 × 5 = 5 + 36 – 15 + 10 = 36 ✓. So swapping 3 and 9 makes the equation correct.
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