Question : An athlete completes one round of a circular track of radius 10 𝑚 in 40 𝑠𝑒𝑐. The distance covered by him in 2 𝑚𝑖𝑛 20 𝑠𝑒𝑐 is
(A) 70 m
(B) 140 𝑚
(C) 110 𝑚
(D) 220 m
Answer : option (D)
Solution :
An athlete completes one round of a circular track of radius 10 𝑚 in 40 𝑠𝑒𝑐. The distance covered by him in 2 𝑚𝑖𝑛 20 𝑠𝑒𝑐 is
with
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