1.

A person is running along a circular track of area 625 πm2 (π = 22/7) with a constant speed. Find the displacement in 15 seconds if he has to complete the race in 30 sec. (A) 200 m (B) 100 m (C) 25 m (D) 50 m

Answer»

Correct option is  (D) 50 m



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