Naresh sold two pens at rs.50each . If he gained 25% of the cost price on one and lost 25% on the other , find gained or loss percentage be made?
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let the CP of 1st pen be x
Then, 125/100 of x = 50
x = Rs.40
let the CP of another pen be y
Then, 75/100 of y = 50
y=Rs.66.66
Total CP =Rs.66.66 + Rs.40 = Rs.106.66
Total SP = Rs.50 + Rs.50 = Rs.100
loss=Rs.6.66
loss%=(6.66/106.66)×100=6.2%
Then, 125/100 of x = 50
x = Rs.40
let the CP of another pen be y
Then, 75/100 of y = 50
y=Rs.66.66
Total CP =Rs.66.66 + Rs.40 = Rs.106.66
Total SP = Rs.50 + Rs.50 = Rs.100
loss=Rs.6.66
loss%=(6.66/106.66)×100=6.2%
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