Question

pens are bought at 12 for a rupee and sold at 9 for a rupee. find the gain% and ans will be 33 1/3 %
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Answer 1

Explanation

cp of 1 pen = 12/100

sp of 1 pen = 9/100

profit = 3/100

profit % = profit / cp ×100

= 3×100/100×9 ×100

= 3/9 ×100

= 33 1/3%

Hope it will help you