A discount dealer professes to sell his goods at cost price
but uses a weight of 960 gms for a Kg weight .Find his gain %?	Choose the correct choice from the following answers:
A) 25%
B) 6%
C) 6/25%
D) 25/6%
E) 42%
Gain%=[(error*100)/(true value-error)]%   =[(40*100)/1000-40)]%=25/6%   ANSWER 25/6% 25/6%
<result>D</result>
A discount dealer professes to sell his goods at cost price
but uses a weight of 960 gms for a Kg weight .Find his gain %?