Subject
Quantitative Aptitude
Topic
Areas & Volumes
The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
ক)
20%খ)
30%গ)
40%ঘ)
50%Explanation
Let original length = x and original breadth = y. Original area = xy. New length = x/2 and New breadth=3y New area = Therefore, Increase in area = New area-original area = Therefore, Increase % = %Related questions
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