Question

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

A) 25% increase B) 50% increase C) 50% decrease D) 75% decrease

Answer 1

Answer:

area of 1 :-length*breath

area of 2:-length/2*3breath

3/2-1=0.5

for percent chamge:-0.5/1*100

0.5*100

=50%increase