Subject
Bank Exam
Topic
Jamuna Bank, Probationary Officer 2012
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
The area goes up as the square of the diameter, so the new area is (1.5)^2 times the old area, = 2.25 times larger. But the question is about the increase. The increase is 125%Related questions
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