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Railways PYQCBT 2 2017

RRB NTPC · Question 58

Which two signs should be interchanged to make the following equation correct? 56 + 7 ÷ 5 × 3 - 2 = 21

  1. ÷ and +

  2. × and +

  3. ÷ and -

  4. × and -

Show answer & explanation

Answer: (A) ÷ and +

Explanation

Swapping ÷ and + gives 56 ÷ 7 + 5 × 3 − 2 = 8 + 15 − 2 = 21, which is correct.