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Sourav purchased 30 kg of rice at the rate of $ 10 per kg and 35 kg at the rate of $ 11 per kg. He mixed the two. At what price per kg (in $) should he sell the mixture to make a 30% profit in the transaction?
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- 12.5
- 13
- 13.7
- 14.25
Correct Option: C
As per the given in question ,
Total cost of rice = $ (30 × 10 + 35 × 11)
Total cost of rice = $ (300 + 385) = $ 685
On 30% profit ,
| Required S.P. = Rs |  |  | ||||
| 100 |
| Rate per kg = | = $ 13.7 | 65 × 100 |
