RRB Group D Model Paper 4 with solutions

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Question : 92 of 100

Marks: +1, -0

If the area of a circle is 2464

m^2

, find its circumference.

288 m
238 m
176 m
182 m

Solution:

(3) Area of circle = π

r^2

∴

22/ 7

× r × r = 2464
⇒ r = 28m
Circumference of circle = 2πr
= 2 ×

22/ 7

× 28m = 176m

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