UGC NET Paper 1 GA 2007 Dec Solved Paper

Question : 35 of 50

Marks: +1, -0

If the radius of a circle is increased by 50 per cent. Its area is increased by:

Solution:

Per cent increase in area

=2×50+(50)^2/100

=100+2500/89

= 100 + 25 = 125%

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