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The speed of a boat in still water is 30 km/h and the rate of the current is 6 km/h. The distance (in km) travelled upstream in 5
minutes is:
3
4
2
2.5
- The speed of the boat in still water is 30 km/h.
- The river current flows at a speed of 6 km/h.
- Upstream, the effective speed of the boat is reduced due to the current.
- Therefore, the upstream speed = (30 - 6) km/h = 24 km/h.
- Distance covered in a specific time can be calculated using the formula: distance = speed × time.
- Time given is 5 minutes, which is 5/60 hours, or 1/12 hours.
- Distance traveled upstream = 24 km/h × 1/12 hours = 2 km.
Option:3 - 2 km is correct.
By: santosh ProfileResourcesReport error
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