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Railways PYQCBT 1 2016

RRB NTPC · Question 66

If P means '+', Q means '×', R means '÷' and K means '-' then the value of 42 K 1 R 14 Q 30 R 12 Q 28 P 110 will be A. 105 B. 110 C. 147 D. 115

  1. D

  2. B

  3. C

  4. A

Show answer & explanation

Answer: (C) C

Explanation

Replacing the letters: 42 − 1 ÷ 14 × 30 ÷ 12 × 28 + 110. By BODMAS: 1 ÷ 14 × 30 ÷ 12 × 28 = 5, so 42 − 5 + 110 = 147.