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A train eniers into a tunnel AB at A and exits at B. A jackal is sitting at O in another by passing tunnel AOB, which is conneted to AB at A and B. where OA is perpendicular to OB.A cat is sitting at P inside the tunnel AB making the shortest possible distance between O and P. such that AO: PB=30:32 When a train before entering into the tunnel AB makes a whistle (or siren) somewhere before A, the jackal and cat run towards A, they meet with accident (with the train) at the entrance A. Further if the cat moves towards B instead of A it again meets with accident at the exit of the tunnel by the same train coming from the same direction.
57- The ratio of time taken by cat and jackal in moving OAPO and PBOP respectively given that they do not meet with accident:

1)1:1

2)3:4

3)5:4

4)none of these


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    5:4

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