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Two trains A and B travel from points X ...

Two trains A and B travel from points X to Y and the ratio of the speeds of A to that of B is 2 : 7. Find the ratio of time taken by A and B to reach from X to Y.

A

`2:5`

B

`3:5`

C

`3:8`

D

`7:2`

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The correct Answer is:
D
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