If each of the dimensions of a rectangle is increased by 100%, then the area is increased by
A
400%
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B
100%
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C
200%
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D
300%
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Solution
The correct option is D 300% b'If l and b are the dimensions of a rectangle, then l increases by 100%of l and b increases by 100% of b. Therefore Area=(l+100100l)×(b+100100b)=(2l)×(2b)=4lb