Railways PYQCBT 2 2017

RRB NTPC · Question 22

Simplify: \((7)^2 \div (7^{\frac{1}{2}})^4\)

  1. 1

  2. 7

  3. 14

  4. 1/14

Show answer & explanation

Answer: (A) 1

Explanation

(7^½)⁴ = 7² = 49, and 7² ÷ 49 = 1.