The selling price of 15 pens is equal to the cost price of 12 pens.What is the loss percent ?
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15 × sp = 12 × cp
ratio of cp and sp
cp : sp
15 : 12
loss% = (15-12)/15 × 100= 3/15× 100= 1/5× 100=20% loss will be the answer
ratio of cp and sp
cp : sp
15 : 12
loss% = (15-12)/15 × 100= 3/15× 100= 1/5× 100=20% loss will be the answer
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