Question

If the cost price of 12 pencils is equal to the selling price of 15 pencils, then the loss % is
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Answer 1

Answer:

sp of 15 pencil=cp of 12 pencil

sp/cp=15/12=5/4

sp/cp=0.80

loss%=loss/cp *100

loss%=(1-0.80)*100

=0.2*100

=20%