RRB NTPC · Question 56

Given w = -2, x = 3, y = 0 & \(z = - \frac{1}{2},\) find the value of \({w^2}\sqrt {\left( {{z^2} + {y^2}} \right)} \) A. -4 B. 8 C. 2 D. 4

1. A

   B

2. B

   D

3. C

   C

4. D

   A