Thats 3 hours and 52 minutes and 30 seconds.

A boat moves upstream. A man can row a boat at 10 kmph in still water and the speed of the stream is 8 kmph. Rate downstream of boat. If the rate of the current is 9 kilometers per hour find the rate of the boat in still water.

A 1 kmph b2 kmph c3 kmph d25 kmph. In one hour a boat goes 11 km along the stream and 5 km against the stream. Let x speed in still water then x9 speed downstream and x-9 speed upstream.

Rate downstream Rate upstream 1 2 8 5 13 2 6 1 2 kmph. If the speed of the water is 15 kmh then the speed ofthe boat in still water is. In this case the net speed of the boat is called the upstream speed.

Speed of boat in still water. A motor boat covers a certain distance downstream in a river in 3 hours. A boat can move upstream at 25 kmph and downstream at 35 kmph then the speed of the current is.

In 13 hours it can go 40 km upstream and 55 km down-stream. Determine the speed of the stream and that of the boat in still water. A boat moves upstream at the rate of 1 km in 20 minutes and down stream 1 km in 12 minutes.

1 15 2 60 kmph 2 60 15 kmph 8 kmph. Times of the two trips are equal. What is the time taken to row a distance of 90 km.