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SSC MTS 2024 · PYQ · Mathematical Operations · medium

Which of the following interchanges of signs would make the given equation correct? 15 − 54 × 18 + 16 ÷ 2 = 44

Answer

The correct answer is C: ÷ and +. Swapping ÷ and +: 15 − 54 + 18 × 16 ÷ 2 is not correct. Trying ÷ and +: 15 − 54 ÷ 18 + 16 × 2 = 15 − 3 + 32 = 44 ✓.

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

Explanation

Swapping ÷ and +: 15 − 54 + 18 × 16 ÷ 2 is not correct. Trying ÷ and +: 15 − 54 ÷ 18 + 16 × 2 = 15 − 3 + 32 = 44 ✓. So interchange ÷ and + gives the correct result.
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