A dishonest shopkeeper professes to sell pulses at his cost price but uses a false weight of 950 gm for each kilogram.
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.
Solution:
He sells $950 \mathrm{gm}$ pulses and gets a gain of $50 \mathrm{gm}$.
If he sells $100 \mathrm{gm}$ of pulses, he will gain $=\frac{50}{950} \times 100$
$=\frac{5000}{950}$
$=5 \frac{5}{19} \%$
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