Q.

A sportsman runs around a circular track of radius r such that he traverses the path A B A B. The distance travelled and displacement, respectively, are          [2025]

1 2r, 3πr  
2 3πr, πr  
3 πr, 3r  
4 3πr, 2r  

Ans.

(4)

Displacement = 2r

Distance = 2πr+πr=3πr