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Q.
A fast moving superfast express crosses another pasenger train in 20 seconds. The speed of faster train is 72 km/hr and speeds of slower train is 27 km/h. Also the length of faster ntrain is 100m, then find the length of the slower train if they are moving in the same direction.
A.
100 m
B.
125 m
C.
150 m
D.
175 m
View Answer
Correct choice: C
Explanation:
Time=Sum of length of the two trainsDifference in speeds 20=(100+x)/(25/2) => X=150m
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