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Rama mixes 20% of kerosene to his petrol and then he sells the whole mixture at the price of petrol. If the cost price of the kerosense is 40% of the CP of petrol. What is the net profit%?
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- 11.11%
- 11.5%
- 12.5%
- 9.5%
Correct Option: A
Suppose C.P. of petrol = Rs. 100 litre
∴ C.P. of kerosene = Rs. 40 litre
Price of 1 litre petrol and 200 ml kerosene = Rs. 100 + 8 = 108
Gain = Rs. (120 – 108) = Rs.12
| ∴ Gain percent = | × 100 = 11.11% | 108 |
