New Workshop on Job Profile of RBI Grade B Officer by Susheel Ragade sir

Question

Two trains running in a opposite directions crosses pole in 84s and 57s respectively and they cross each other in 72s. Find the ratio of their speeds?

A 2 : 1

B 7 : 5

C 4 : 3

D 7 : 4

E None of these

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Question

Two trains running in a opposite directions crosses pole in 84s and 57s respectively and they cross each other in 72s. Find the ratio of their speeds?

Solution

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