Question : If the radius of a circle is increased by 50%, then what will be the percentage increase in the area of the circle?
Option 1: 225
Option 2: 125
Option 3: 150
Option 4: 175
Answer (1)
24th Jan, 2024
Correct Answer: 125
Solution :
Let the radius of the original circle =
So, the area of the original circle =
Radius of circle after 50% increase =
Area of new circle =
Percentage increase in area
=
= 125%
Hence, the correct answer is 125.
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