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A passenger sitting in a train of length...

A passenger sitting in a train of length 100 m, which is running with speed of 60km/h passing through two bridges, notices that the crosses the first bridge and the second bridge in time intervals which are in the raito of 7 : 4 respectively. If the length of first bridge be 280 m, then the length of second bridge is.

A

490 m

B

220m

C

160m

D

can't be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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