Question
The H.M. and G.M. of a distribution are 8 and 10
respectively. Then the A.M. isSolution
(GM)^2 = AM*HM Put the values in the formula to get A.M.
The speed of boat 'X' in upstream is 18 km/hr and speed of boat 'Y' in downstream is 30 km/hr. If the difference between speeds of boat 'X' and 'Y' in s...
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A boat covers 48 km downstream in 4 hours and 32 km upstream in 4 hours. Find the speed of the stream.
A man can row 25/2 km an hour in still water and he finds that it takes him thrice as long to row up as to row down the river. The rate of stream is:
