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566 . In a stream running at 2 Kmph, a motor boat goes 10 Km upstream and back again to the starting point in 55 minutes. Find the speed of motor boat in still water?
A. 22 kmph B. 27 kmph
C. 34 kmph D. 41 kmph

567 . A man rows to a place 48 Km distance and back in 14 hours. He finds that he can row 4 Km with the stream in the same time 3 Km against the stream. The rate off the stream is?
A. 1 Kmph B. 2 Kmph
C. 3 Kmph D. 4 Kmph

568 . A man can row 8 Kmph in still water. If the velocity of the current is 2 Kmph and it takes him 2 hours to row to a place and come back. How far is the place?
A. 1.5 km B. 3.5 km
C. 5.5 km D. 7.5 km

569 . In an hour a boat goes 10 Km along the stream and 4 Km against the stream. The speed of the boat in still water (in Kmph) is:
A. 1 Kmph B. 3 Kmph
C. 7 Kmph D. 11 Kmph

570 . Walking at the rate of 4 kmph a man cover certain distance in 2 hr 45 min. Running at a speed of 16.5 kmph the man will cover the same distance in.
A. 40 min B. 18 min
C. 48 min D. 14 min




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