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Railways PYQCBT 1 2016

RRB NTPC · Question 36

If the mathematical symbol '÷' means '×', '+' means '-', '×' means '+' and '-' means '÷' then 12 + 16 - 4 × 4 ÷ 2 = ? A. 16 B. 20 C. 12 D. 24

  1. C

  2. A

  3. D

  4. B

Show answer & explanation

Answer: (B) A

Explanation

Replacing the symbols: 12 + 16 − 4 × 4 ÷ 2 becomes 12 − 16 ÷ 4 + 4 × 2. By BODMAS: 16 ÷ 4 = 4 and 4 × 2 = 8, so 12 − 4 + 8 = 16.