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A train speeds past a pole in 15 seconds and a platform 100
m long in 25 seconds. Its length is
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Answer Posted / sindu.m
The answer is 150m.
Let the length of the train be x metres and its speed by y
m/sec.
Then,
x/y = 15 => y = x/15 .
Therefore
(x + 100)/25 = x/15
=> 15(x + 100) = 25x
=> 15x + 1500 = 25x
=> 1500 = 10x
=> x = 150 m.
| Is This Answer Correct ? | 64 Yes | 3 No |
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