IBM Company Numerical Ability Area and Volume

4 cows are there at the four corners of a square. if the radius of the rope is 1 and lenth of one side of the square is 14, find the area along the square which the cow cannot gaze.

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IBM Other Question

A persons age is similar to the year he was born(last two digits is counted as age). here were three clocks they gave alarm after 24secs, 12secs and 36 secs. if they rang simultaneously at 8:20, then at what time they again rang simultaneously?