Answers

2015-01-21T18:08:24+05:30
B% of 20 will be equal to a/25
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2015-01-21T18:35:42+05:30
20/100*a=b....----> a/5=b...---->a=5b---->b=a/5. b% of 20=b/100*20=b/5=a/5*5=a/25
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