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Rajiv's boat can travel along the current at the 8 km/hour and against the current at the rate 6 km/hour. Find the time taken by the boat to sail 28 km in still water.
4 hours
5 hours
6 hours
7 hours
None of these
- Rajiv's boat speed in still water needs to be calculated.
- Speed with current: 8 km/hour.
- Speed against current: 6 km/hour.
- Speed in still water = (8 + 6) / 2 = 7 km/hour.
- Distance to sail: 28 km.
- Time in still water = Distance / Speed = 28 / 7 = 4 hours.
- Options provided:
- Option 1: 4 hours
- Option 2: 5 hours
- Option 3: 6 hours
- Option 4: 7 hours
- Option 5: None of these
- Correct Answer: Option 1: 4 hours
-
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