Sample questions and answers. Races, Speed, Distance, circular tracks : Ascent TANCET MBA & MCA, CAT, XAT MBA Entrance coaching

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You are here: Home  »  CAT, XAT, TANCET, Sample Questions  »  Races   »  Question 2

Straight Races : Sample Question & Answers

The question is a question from the topic Races and tests your concept about straight race between two contestants A and B.

Question 2

In a kilometre race, A can give B a start of 100 m or 15 seconds. How long does A take to complete the race?
  1. 150 seconds
  2. 165 seconds
  3. 135 seconds
  4. 66.67 seconds
  5. 180 seconds
Correct Choice is (3). Correct answer 135 seconds.

Explanatory Answer

In a 1000 metre race A gives B a start of 100 m or 15 seconds.

This essentially means that B takes 15 seconds to run 100 m.

Therefore, B will take 150 seconds to run the stretch of 1000 metres. (1000 m = 10 times 100 m and therefore the time taken will also be 10 times 15 seconds = 150 seconds).

As A gives B a start of 15 seconds, A obviously takes 15 seconds less than B to complete the race.

Hence, A will take 135 seconds to run the 1000 m.



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