The length of each side of square A is increased by 100 percent to make square B. Again the length of each side of square B is increased by 50 percent to make square C. By what percent is the area of square C greater than the sum of the areas of square A and B?
A. 75%
B. 80%
C. 85%
D. 90%
সঠিক উত্তরঃ
B.
80%
Explanation:
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