AP ICET 2017 Shift 2 Paper

Question : 90 of 200

Marks: +1, -0

If the length and breadth of a rectangle are increased by 20% and 25% respectively then the percentage increase in its area is'

Solution:

% increase in area

=[a+b+{ab}/100]%

=[20+25+{20×25}/{100}]\%=(45+5)\%=50\%

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