Sushant runs 4 times as fast as Sulleman. If Sushant gives Sulleman a start of 60 m, how far must th

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30 Jul 2020 Race

Sushant runs 4 times as fast as Sulleman. If Sushant gives Sulleman a start of 60 m, how far must the goal on the race course be so that Sushant and Sulleman reach it at the same time?

OPtion

1) 60
2) 50
3) 75
4) 86
5) 80
6) 90
7) 65
8) 76
9) 95
10) None of these

Solution

Ratio of the speeds of Sushant and Sulleman = 4:1.
In a race of 4 m, Sushant gains 3 m over Sulleman.
60 meters will be gained by Sushant in race of (4/3 × 60 = 80 m).
Thus, Winning post must be at a distance of 80 m from the starting point.

Correct Option: 5 Best Solution (1)