Subject
Bank Exam
Topic
AB Bank 2014 (Assistant Officer)
A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent larger than the original. By what percentage has the area of the logo increased?
A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent larger than the original. By what percentage has the area of the logo increased?
ক)
50খ)
80গ)
100ঘ)
125Explanation
Increased area = {(100+increasingrate)/100}2 = {(100+50)/100}2 = (150/100)2 = 225/100 So, Increased area = 225 - 100 = 125%Related questions
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