CSAT 2020 | DDSQ Jun 16 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

There are two participants for a 4\:km race of a circular track having a circumference of 1\:km. Five minutes after the race started, the runner-up and the winner met for the first time. They started from the same point, in the same direction and their speeds are uniform. If the speed of the runner-up is half of the speed of the winner, then what is the time taken by winner to finish the race?

(a) 20 minutes
(b) 15 minutes
(c) 10 minutes
(d) 5 minutes