Races Question Answers

Races - Quant/Math - CAT 2008

Question 4 the day: August 13, 2003

The question for the day is from the topic of Races.

Three runners A, B and C run a race, with runner A finishing 12 meters ahead of runner B and 18 meters ahead of runner C, while runner B finishes 8 meters ahead of runner C. Each runner travels the entire distance at a constant speed.

What was the length of the race?

(1)	36 meters			(2)	48 meters
(3)	60 meters			(4)	72 meters

Correct Answer - (2)

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Solution:


Go from answer choices

Let the race be of length 48 meters

So when A runs 48m B run 36m and C runs 30m

Ratio of distance covered by B : C = 6 : 5

So when B covers 48m C would have covered 40m => B can give C a start of 8m.