Railways PYQCBT 1 2020

RRB NTPC · Question 67

If '+' is replaced by '-', '×' is replaced by '+' and '-' by '×'. then \(28 + (5 \times 7)-\frac{9}{6}\) will be equal to:

  1. 15

  2. 10

  3. 20

  4. 8

Show answer & explanation

Answer: (B) 10

Explanation

After the changes: 28 − (5 + 7) × 9/6 = 28 − 12 × 1.5 = 28 − 18 = 10.