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A boat which sails at 10 km/h in still w...

A boat which sails at 10 km/h in still water starts chasing, from 10 km behind, another one which sails at 4 km/h in the upstream direction. After how long will it catchup if the stream is flowing at 2 km/h :

A

4 h

B

2.5 h

C

2 h

D

3.5 h

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Verified by Experts

The correct Answer is:
B
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ARIHANT SSC-TIME, SPEED AND DISTANCE-EXERCISE LEVEL 1
  1. The speed of a boat in upstream is 2/3 that of downstream. Find the ra...

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  2. The difference between downstream speed and upstream speed is 3 km/h a...

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  3. A boat which sails at 10 km/h in still water starts chasing, from 10 k...

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  4. A motor boat went downstream for 120 km and immediately returned. It t...

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  5. A motor boat went downstream for 120 km and immediately returned. It t...

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  6. A boat sails 15 km of a river towards upstream in 5 hours. How long wi...

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  7. A boat takes 5 hours more while going back in upstream than in downstr...

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  8. A boat takes 7 hours to go from P to R, through a midpoint Q, but it t...

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  9. Malla can row 40 km upstream and 55 km downstream in 13 h and 30 km up...

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  10. In a kilometre race, A can give B a start of 20 m and also in a half k...

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  11. In a kilometre race, A can give B a start of 20 m and also in a half k...

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  12. In a 1600 m race, A beats B by 80 m and C by 60 m. If they run at the ...

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  13. Aman can run a distance in 190 seconds and Shakti can run the same dis...

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  14. A runs 7/4 times as fast as B. If A gives B a start of 300 m, how far ...

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  15. A beats B by 100 m in a race of 1200 m and B beats C by 200 m in a rac...

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  16. In a 1000 m race Ameesha gives a headstart of 100 m to Bipasha and bea...

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  17. In a 1000 metres race Ravi gives Vinod a start of 40 m and beats him b...

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  18. In a race the man who came two place ahead of the last man finished on...

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  19. Vinay and Varsha run a race with their speeds in the ratio of 5:3 they...

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  20. A gives both B and C a start of 60 m in a 1500 m race. However, while ...

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