Question Number: #Com3661

A sprinter starts running on a circular path of radius r metres. Her average speed (in metres/minute) is 22/7(r) during the first 30 seconds, 22/7(r/ 2) during next one minute, 22/7(r/ 4) using next 4 minutes, and so on. What is the ratio of the time taken for the nth round to that for previous round?


Options:
A.) 4
B.) 8
C.) 16
D.) 32


Answer is option : C

Question Related Topics:
Quantitative Ability
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