Question

A trader marks his goods at 40% above the cost price and allows a discount of 25%. What is his gain per cent?

Answer 1

LET CP= X

MP = X+X×40%

MP= 14/10X

D%= 25

SP= MPX(100-D%)/100

SP=42/40X

SP>CP=PROFIT

42/40X -X

=X/20

P%= P×100/CP

P%= X×100/20X

P%=5%