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Railways PYQCBT 1 2016

RRB NTPC · Question 73

If J means 'x', K means '+', L means '÷' and M means '-', then give the value of 1K9L7J7L3M5. A. 1 B. -1 C. 3 D. -5

  1. D

  2. B

  3. C

  4. A

Show answer & explanation

Answer: (B) B

Explanation

1K9L7J7L3M5 = 1 + 9 ÷ 7 × 7 ÷ 3 − 5. By BODMAS: 9 ÷ 7 × 7 = 9, then 9 ÷ 3 = 3, so 1 + 3 − 5 = −1.