A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey?

Related Mcqs:

The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________?

A. 1.5km/hr B. 3km/hr C. 1km/hr D. none...

If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph. then the man’s rate along the current is__________?

A. 4.25 kmph B. 6 kmph C. 6.5 kmph D. 8.5 kmph...

A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km?

A. 3 B. 4 C. 4 (1/2) D. Insufficient data...

The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?

A. 10 kmph B. 21 kmph C. 8 kmph D. 12 kmph...

The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?

A. 10 seconds B. 15 seconds C. 20 seconds D. 12 seconds E. None of these...