Arun purchased 30, kg of wheat at rate of Rs.,11.50 per kg and 20, kg of wheat at rate of Rs.,14.25

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7.Profit and Loss

medium

Arun purchased $30\, kg$ of wheat at the rate of $Rs.\,11.50$ per $kg$ and $20\, kg$ of wheat at the rate of $Rs.\,14.25$ per $kg$. He mixed the two and sold the mixture. Approximately at what price per $kg$ should he sell the mixture to make $30 \%$ profit? (in $Rs.$)

A

$14.80$

B

$15.40$

C

$15.60$

D

$16.30$

Solution

$C.P.$ $=30 \times 11.50+20 \times 14.25=345+285=Rs. 630 / 50 kg =Rs. 12.6 kg$

$S.P.$ $=1.3 \times Rs. 12.6 / kg =Rs. 16.38 / kg \simeq Rs. 16.30 / kg$

Standard 13

Quantitative Aptitude

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