A shopkeeper purchased 70 kg of potatoes for Rs., 420 and sold whole lot at rate of Rs., 6.5 per kg.

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7.Profit and Loss

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A shopkeeper purchased $70$ $kg$ of potatoes for $Rs.\, 420$ and sold the whole lot at the rate of $Rs.\, 6.5$ per $kg.$ What will be his gain percent?

A

$4 \frac{1}{6}$

B

$6 \frac{1}{4}$

C

$8 \frac{1}{3}$

D

$20$

Solution

Cost price of potatoes $=Rs. 420 / 70 kg =Rs. 6 / kg$

Selling price of potatoes $=Rs. 6.5 / kg$

$\therefore \quad$ Gain percent $=\frac{S . P .-C \cdot P .}{C . P .} \times 100=\frac{6.5-6}{6} \times 100=\frac{1}{12} \times 100=8 \frac{1}{3} \%$

Standard 13

Quantitative Aptitude

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