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Races - Quant/Math - CAT 2009
Question 4 the day:
September 09, 2003
The question for the day is from the topic of Races.
- A can give B a start of 50 metres or 10 seconds in a kilometer race. How long does A take to complete the race?
| (1) |
200 seconds |
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(2) |
140 seconds |
| (3) |
220 seconds |
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(4) |
190 seconds |
Correct Answer - (4)
Solution:
A can give B a start of 50 metres or 10 seconds in a 1000 m race.
That is, B takes 10 seconds to run 50 metres.
Therefore, B will take (10/50) * 1000 = 200 seconds to run 1000 metres.
A who can give B a start of 10 seconds will take 10 seconds lesser to run the 1000m.
Hence, the time taken by A = 190 seconds.
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