Question

Ramvir travelling at the some speed, can cover 25 km upstream and 39 km downstream in 8 h. At the same speed, it can travel 35 km upstream and 52 km downstream in 11 h. The speed of the stream is 3 km/hr 4 km/hr 5 km/hr reattempted 6km/hr none of these

Answer 1

6km hour

Explanation:

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