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Railways PYQCBT 1 2016

RRB NTPC · Question 90

If '+' means '×', '-' means '+', and '×' means '-', compute the value of the expression. 36 - 4 + 7 × 8

  1. 56

  2. 71

  3. 74

  4. 75

Show answer & explanation

Answer: (A) 56

Explanation

Replacing the symbols ('+' → ×, '−' → +, '×' → −), 36 − 4 + 7 × 8 becomes 36 + 4 × 7 − 8. Multiplication first: 4 × 7 = 28. Then 36 + 28 − 8 = 56.