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Ten Boxes
Ten boxes are there. Each ball weighs 100 gms. One ball is weighing 90 gms. i) If there are 3 balls (n=3) in each box, how many times will it take to find 90 gms ball? ii) with n=10iii) with n=9
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Circular Track
In a circular race track of length 100 m, three persons A, B and C start together. A and B start in the same direction at speeds of 10 m/s and 8 m/s respectively. While C runs in the opposite at 15 m/s. When will all the three meet for the first time on the after the start? with steps
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seaplane
A ship leaves on a long voyage. When it is 18 miles from the shore, a seaplane, whose speed is 10 times that of the ship is sent to deliver mail. How far from the shore does the seaplane catch up with the ship?
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A goat is tied to one corner of a square plot of side 12m by a rope 7m long. Find the area it can graze?
options are:38.5sq.m,155sq.m,144sq.m,19.25sq.m
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