Question

# 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?

A
8%
B
9%
C
10%
D
None of these

Solution

## 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=$$\frac{50\times 2+20\times 4+30\times 3}{2+4+3}$$$$\Rightarrow \frac{270}{9}=30 Rs.$$S.P.=33 Rs.$$Profit=33-30=3 Rs.$$Profit percentage=$$\frac{3}{30}\times 100=10$$%Mathematics

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