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Railways PYQCBT 1 2016

RRB NTPC · Question 84

Select the correct set of symbols: 27_3_19_10 = 90

  1. ×, -, ÷

  2. +, ÷, -

  3. +, -, ÷

  4. ×, +, -

Show answer & explanation

Answer: (D) ×, +, -

Explanation

Try each set: with ×, +, − we get 27 × 3 + 19 − 10 = 81 + 19 − 10 = 90, which is correct. The other sets do not give 90, for example 27 + 3 − 19 ÷ 10 = 28.1.