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Maths Puzzle
Numerical Ability
The income of a company increases 20% pa. If its income is 2664000/- in the year 1999. What was its income in the year 1997?
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A reduction of 10% in the price of sugar enables a house holder to obtain 3kg more for 225. The reduction price per kg of sugar is?
there are two identical metal sheets first one is melted and converted into maximum possible spheres of equal radius 'r' cm. and 14 cubic cm metal was left .second one is melted and converted into maximum possible sphere of equal radius 2r cm and then 36 cubic cm of metal was left. if volume of each is integer find the volume of each bigger sphere?