Areas related to Circles Foundation CUET CBSE questions
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CBSE - Areas related to Circles

 

Areas related to Circles 

If the diameter of a sphere is decreased by 25%, by what per cent does its curved surface area decrease ?

(1) 43.75%  
(2) 21.88% 
(3) 50% 
(4) 25%

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 

Correct Answer
 

Option: 1

Solution :

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