Question

a men buys orangs at rs 26 per dorzen and sell them at 5 for rs 13 .find his gain per cent.

Answer 1

CP of 12 oranges=₹26
cp of one orange=26/12=₹2.17
sp of 5 orange=₹13
sp of one orange=13/5=₹2.6
profit%=sp -cp /cp ×100
2.6 - 2.17/2.17×100= 0.43/2.17×100=19.81%