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Problems on Trains - Data Intensity 3 :: Discussion

Home   »     »   Arithmetic Aptitude   »   Problems on Trains   »   Problems on Trains - Data Intensity 3
2.What is the speed of the train?
A.I and II only
B.II and III only
C.I and III only
D.None of Above
Answer:  Option  A
Explanation:

Let the speed of the train be x metres/sec.

Time taken to cross a tree = Length of the train
Speed of the train
Time taken to cross a platform = (Length of the train + Length of the Platform)
Speed of the train
I gives, 13 = l      13x.
x
II gives 27 = l + 250
x
13x + 250 = 27
x
 x = 125 m/sec.
7

Thus I and II give the speed of the train.

 The correct answer is (A.)
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Published by:Michael Daani

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