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A boat man goes 2 km against eh current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water? a. 40 minutes b. 1 hour c. 1 hr 15 min d. 1 hr 30 min

A

1 hour

B

`1(1)/(2)` hour

C

1 hour 15 min

D

40 min

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The correct Answer is:
C
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S CHAND IIT JEE FOUNDATION-DISTANCE, TIME AND SPEED -Section-C (Question Bank-21(c ))
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  18. A boat goes 24 km upstream and 28 km downstream in 6 hours. It goes 30...

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  19. At his usual rowing rate, Rahul can travel 12 miles downstream in a...

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