Question

A shopkeeper professes to sell his goods at cost price but uses a weight of $800$ grams instead of a kilogram weight. Thus, he makes a gain of

• A. $10\%$
• B. $15\%$
• C. $20\%$
• D. $25\%$

Answer 1

The correct option is D $25\%$

$\Rightarrow$ Shopkeeper use weight of $800$ grams instead of kilogram.

$\Rightarrow$ Then, Gain $=1000-800=200$

$\Rightarrow$ Gain $\%=\frac{200}{800}\times 100=25\%$