costprice of 21 articles is equal to selling price of 16 articles .find loss or gain percent
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Let CP be rs.1
CP of 21 articles =SP of 16 articles =
rs.21
CP of 16 articles =rs.16
Now,SP is greater than CP
Gain=rs.(21-16)
=rs.5
Gain %=Gain/CP ×100
=5/16 ×100
=31.25%(approx.)
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