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In covering a certain distance, the speeds of A and B are in the ratio of 3:4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is `1\ hou r` b. `2\ hou r s` c. `1 1/2hou r s` d. `2 1/2hou r s`

A

1 hour

B

`1(1)/(2)` hours

C

2 hours

D

`2(1)/(2)` hours

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The correct Answer is:
C
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S CHAND IIT JEE FOUNDATION-DISTANCE, TIME AND SPEED -Section-A (Question Bank-21(a))
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  10. A man reduces his speed to two-third to walk a distance and consequent...

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  11. If I walk at 3 km/hr, I miss a train by 2 minutes. If, however, I walk...

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  17. In covering a certain distance, the speeds of A and B are in the ra...

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  18. A and B run a kilometre and A wins by 25 sec. A and C run a kilometre ...

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