Question
X and Y have weights of 36 kg and 60 kg, respectively. Z
weighs 12 kg less than X. Calculate the average weight of X, Y, and Z.Solution
Z’s weight = 36 – 12 = 24 kgs Required average = (36 + 60 + 24)/3 = 40 kgs
A man can row at 4 kmph in still water. If the velocity of current is 2 kmph and it takes him 8 hour to row to a place and come back, how far is the place?
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