SSC CHSL Model Paper 2

Question : 59 of 100

Marks: +1, -0

The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?

Solution:

Let the original length be x and the original breadth be y.
Original area = xy
New length

=x/2

New breadth = 3y
New area =

{3xy}/2

% Increase =

1/2xy×100/{xy}=50%

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