Question

2. A dishonest dealer professes to sell his goods at cost price, but uses a false weight of 800 gms
instead of 1 kg. Find his profit per cent.
Ans. [25%]​

Answer 1

Given that: %Gain =6

47

18

=

47

300

% Gain=(

Correct weight

Correct weight-Incorrect weight

)×100

∴ For 1 kg,

⇒

47

300

=(

1

1−IW

)×100

⇒IW=1−

47

3

=

47

44

kg=940gm

Hope it helps.