Question

A dishonest shopkeeper professes to sell pulses at his cost price but uses a false weight of 950 gm for each kilogram. Find his gain percent.

Answer 1

$$\begin{gathered} \mathrm{He}\mathrm{sells}950\mathrm{gm}\mathrm{pulses}\mathrm{and}getsa\mathrm{gain}of50\mathrm{gm}. \\ \mathrm{If}\mathrm{he}\mathrm{sells}100\mathrm{gm}\mathrm{of}\mathrm{pulses},\mathrm{he}\mathrm{will}\mathrm{gain}=\frac{50}{950}\times 100 \\ =\frac{5000}{950} \\ =5\frac{5}{19}\% \end{gathered}$$