A trader mixes three varieties of groundnuts costing Rs 50, Rs 20 and Rs 30 per kg in the ratio 2 : 4 : 3 in terms of weight and sells the mixture at Rs 33 per kg What percentage of profit does he make?

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10%

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Solution

The correct option is C 10%
Rs. 50,Rs. 20, Rs.30 per Kg in ratio 2:4:3
Then the cost of 1 Kg mixture= $\frac{50 \times 2 + 20 \times 4 + 30 \times 3}{2 + 4 + 3}$
$\Rightarrow \frac{270}{9} = 30 R s .$
S.P.=33 Rs.
$P r o f i t = 33 - 30 = 3 R s .$
Profit percentage= $\frac{3}{30} \times 100 = 10$ %

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of rice at

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per kg with

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A trader mixes three varieties of groundnuts costing Rs 50, Rs 20 and Rs 30 per kg in the ratio 2 : 4 : 3 in terms of weight and sells the mixture at Rs 33 per kg What percentage of profit does he make?

The correct option is C 10%Rs. 50,Rs. 20, Rs.30 per Kg in ratio 2:4:3Then the cost of 1 Kg mixture=50×2+20×4+30×32+4+3⇒2709=30Rs.S.P.=33 Rs.Profit=33−30=3Rs.Profit percentage=330×100=10%

The correct option is C 10%
Rs. 50,Rs. 20, Rs.30 per Kg in ratio 2:4:3
Then the cost of 1 Kg mixture= $\frac{50 \times 2 + 20 \times 4 + 30 \times 3}{2 + 4 + 3}$
$\Rightarrow \frac{270}{9} = 30 R s .$
S.P.=33 Rs.
$P r o f i t = 33 - 30 = 3 R s .$
Profit percentage= $\frac{3}{30} \times 100 = 10$ %