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Speed of a boat along and against the current are 12 km/hr and 8 km/hr respectively. Then the speed of the current in km/hr is
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- 5
- 4
- 3
- 2
- 5
Correct Option: D
Given that , Rate downstream = 12 km/hr
Rate upstream = 8 km/hr
| ∴ Speed of current = | (Rate downstream - rate upstream) | |
| 2 |
| Speed of current = | (12 - 8) = 2 kmph | |
| 2 |
