1. Two numbers are 50% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?
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By: anil on 05 May 2019 02.14 am
Let third number = $$100x$$ First number is 50% less than $$100x$$ and second number is 80% less than $$100x$$ => First number = $$50x$$ and Second number = $$20x$$ To make second number equal to first number, it should be enhanced by = $$50x - 20x = 30x$$ => Required % = $$frac{30x}{20x} imes 100 = frac{300}{2} = 150 \%$$ => Ans - (A)
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