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Aptitude Questions for Problems on Trains with Answers
 
 
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Problems on Trains (550 Views)
 
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Problems on Trains will cover the basic concepts and easy to solve. Test conducted to know the logical thinking capacity of a person.

The Problems on Trains test also requires the tests to learn skills from the test as the test proceeds, challenging thinking skills.

Formula: Speed=Distance/Time

Some useful things:

To change k/h in m/s we multiply

By 5/18

Eg: 72 k/h means

72*5/18=4*5=20 m/s

To change m/sec. in k/h multiply by

18/5

Eg: 45 m/s means

45*18/5= (9*18) k/h=162 k/h

Case1: When a train crosses a man/pole/tree

Let a train a having speed is s and length L, crosses a pole in T time then,

S=L/T (Here the breadth of man, tree, pole is negligible with respect to the train)

Case2: When a train crosses a platform

Let a train having speed of S and length

L1, crosses a platform whose length is

L2 in time T, then

S=L1+L2/T

Case3:  When a train crosses another running train

Let a train having speed s1 and length L1 crosses another train which is travelling in opposite direction at a speed of sS2 and length L2 in T time. Then

S1+S2=L1+L2/T

If both objects having length (L1 and L2) then the length is always sum (i.e. L1+L2)

Case 4: when a moving train crosses a man who is running

Let a train having speed s1, and length L1 crosses a man, who is running at a speed of S2 in the same direction in T time. Then

(S1-S2)=L1/T

Case 5: When a moving a train crosses a man who is sitting into a moving train.

Leat a train having speed S1 and length L1

Crosses a man who is setting in another train which is travelling in opposite directions at speed of S2 and length L2 in time T.

S1+S2=L1/T

Problems on Trains Questions will be used for all competitive exams.

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