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?
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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
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