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

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
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