Question

time taken by train to cross a platform of thrice of its length is 32 seconds. what is the time taken by same train to cross a platform of twice of its length, when traveling by 60% of its original speed?

Answer 1

Answer:

3x length 60% original time= 19.2 sec

19.2 divided by 3 = 6.4

6.4 x 2= 12.8

Ans= 12.8 sec