**961. A man can row 30 km downstream and 20 km upstream in 4 hours. He can row 45 km downstream and 40 km upstream in 7 hours. Find the speed of man in still water??**

A. 15 kmph

B. 10 kmph

C. 12 kmph**D. 12.5 kmph**

**962. A man can row downstream at 18 kmph and upstream at 10 kmph. Find the speed of the man in still water and the speed of stream respectively??**

A. 13, 3

B. 12, 6

C. 15, 3**D. 14, 4**

**963. A boat is rowed downstream at 15.5km/hr and upstream at 8.5 km/hr. The speed of the stream is________??****A. 3.5km/hr**

B. 5.75km/hr

C. 6.5km/hr

D. 7km/hr

**964. 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**

**965. A person can row at 9 kmph and still water. He takes 4 1/2 hours to row from A to B and back. What is the distance between A and B if the speed of the stream is 1 kmph??**

A. 32 km

B. 25 km

C. 28 km**D. None of these**

**966. A boat running downstream covers 24 km’s in 4 hours while for covering the same distance upstream it takes 6 hours whats the speed of the boat in still water??**

A. 3.5km/hr

B. 5.5 km/hr

C. 6 km/hr**D. None of these**

**967. A boat goes 24 km downstream in 10 hours, it takes 2 hours more to cover the same distance against the stream. What is the speed of the boat in still water??**

A. 2km/hr

B. 2.8 km/hr

C. 4 km/hr**D. None of these**

**968. A boat covers a distance of 30 km in 2 Â½ hours running downstream while returning it covers the same distance in 3 Â¾ hours. What is the speed of the boat in still water??**

A. 8km/hr

B. 12km/hr

C. 14 km/hr**D. None of these**

**969. The speed of a boat in still water is 5 km/hr, it can go 30km upstream and return downstream to the original point in 4 hours 30 min. The speed of the stream is_______??****A. 5km/hr**

B. 8 km/hr

C. 10 km/hr

D. 15 km/hr

**970. A man swims downstream 72 km and upstream 45 km taking 9 hours each time; what is the speed of the current??**

A. 3 kmph**B. 1.5 kmph**

C. 13 kmph

D. 6.5 kmph