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Railways PYQCBT 1 2016

RRB NTPC · Question 22

If P means ‘÷’, R means ‘×’, Q means ‘+’ and S means ‘-‘, then 36 P 6 Q 7 R 8 S 11 =

  1. 45

  2. 54

  3. 51

  4. 62

Show answer & explanation

Answer: (C) 51

Explanation

Replacing the letters, 36 P 6 Q 7 R 8 S 11 becomes 36 ÷ 6 + 7 × 8 − 11. Division and multiplication first: 36 ÷ 6 = 6 and 7 × 8 = 56. Then 6 + 56 − 11 = 51.