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Square Area 69 Problem

The Square Area 69 Problem with solution is as follows :

Ques. If the area of a square increases by 69% , then the side of the square increases by ?
A. 13% B. 30%
C.
26%
D. 50%

 

SOLUTION : The solution to the above problem is shown below :)

Answer: Option (B)

Explanation:

Let the area be 100 sq cm. So we can say that original side = 10 cm

Now 69% increase means New Area = 169 sq cm.

So new side = 13 cm

 Difference between sides = 13-10 = 3 So , 3 is 30% of original side Hence side of square increases by 30%

Hence, the answer is B. 30%

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