22692
Unique Id: 18752
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DIRECTIONS
for the question:
Solve the following question and mark the best possible option.
A train crosses a pole in 30 seconds and a platform 200 m long in 50 seconds. Find its length.
A)
100 m
B)
150 m
C)
200 m
D)
None of these
D
Given that, Length of train = Speed of Train × Time taken to cross a pole ; L
T
= S
T
× 30
Similarly, L
T
+ 200 = S
T
× 50
⇒L
T
+ 200 = L
T
× 50/30 ⇒ 3L
T
+ 600 = L
T
× 5 ⇒ 2 L
T
= 600 ⇒ L
T
= 300 m
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