A dishonest dealer professes to sell his goods at the cost price but uses a false weight of 850 g. instead of 1 kg. his gain percent is = ?

A. $$17\frac{{12}}{{17}}\% $$

B. $$17\frac{{11}}{{17}}\% $$

C. $$71\frac{{11}}{{17}}\% $$

D. $$11\frac{{11}}{{17}}\% $$

Answer: Option B

Solution(By Examveda Team)

According to the question,
Dishonest dealer sold at cost price uses a false weight of 850 gm. instead to 1 kg.
$$\eqalign{ & \therefore {\text{Profit }}\% \cr & = \frac{{150}}{{850}} \times 100 \cr & = 17\frac{{11}}{{17}}\% \,{\text{profit}} \cr} $$