971. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place??
A. 3.12 km
B. 2.88 km
C. 3 km
D. 2 km

972. A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man??
A. 6.24 km
B. 6 km
C. 5.76 km
D. 5.66 km

973. 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

974. 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??
A. 8 kmph
B. 4 kmph
C. 2 kmph
D. 10 kmph

975. The current of a stream at 1 kmph. A motor boat goes 35 km upstream and back to the starting point in 12 hours. The speed of the motor boat in still water is_________??
A. 6 kmph
B. 7 kmph
C. 8.5 kmph
D. 8 kmph

976. The speed of a boat in still water is 60kmph and the speed of the current is 20kmph. Find the speed downstream and upstream??
A. 35, 25 kmph
B. 80, 40 kmph
C. 40, 60 kmph
D. 50, 55 kmph

977. The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream??
A. 70, 10 kmph
B. 35, 27 kmph
C. 50, 60 kmph
D. 45, 55 kmph

978. A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream??
A. 5 kmph
B. 6 kmph
C. 7 kmph
D. 8 kmph

979. A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream??
A. 20/6 hours
B. 27/2 hours
C. 30 hours
D. 30/13 hours

980. A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is________??
A. 2 : 1
B. 3 : 1
C. 3 : 2
D. 4 : 3

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