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SSC MTS 2019 · PYQ · Mathematical Operations · medium

Which two signs need to be interchanged to make the following equation correct? 73 – 13 × 42 ÷ 14 + 56 = 56

Answer

The correct answer is D: – and +. Interchanging '–' and '+': 73 + 13 × 42 ÷ 14 – 56 = 73 + 13 × 3 – 56 = 73 + 39 – 56 = 56. This satisfies the equation.

  1. A.– and ×
  2. B.+ and ×
  3. C.× and ÷
  4. D.– and +✓ Correct

Explanation

Interchanging '–' and '+': 73 + 13 × 42 ÷ 14 – 56 = 73 + 13 × 3 – 56 = 73 + 39 – 56 = 56. This satisfies the equation.
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