SSC CHSL 2024 PYQ — Question 75

The correct answer is option 1 i.e. 44 m.

Area of the circle = πr$^2$ = 154 m$^2$

⇒  r$^2$ = 154 ÷ (22/7)

⇒  r$^2$  = 154 × 7/22 = 49m$^2$

⇒ r = $\sqrt{49}$  m$^2$

⇒ r = 7 m

The circumference C of a circle = 2πr = 2 × 22/7 ×  7 = 44m