A boat covers a distance of 120 km in 6 hours in downstream. The ratio of speed of boat in still water to speed of stream is 3:
- Find in how much time boat cover 84 km in upstream if speed of stream is increased by 80%.
- AOption (a)
12 hours
- BOption (b)
14 hours
- COption (c)
10 hours
- DOption (d)
15 hours
- EOption (e)
16 hours
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Correct answer
14 hours