| A grocer purchased 75 kg of sugar at Rs. 30 per kg and mixed it with 25 kg of sugar At Rs. 36 per kg. At what rate should he sell the mixture to gain 10%. |
A) Rs. 32.20
B) Rs. 32.45
C) Rs. 32.60
D) Rs. 32.85
E) None of these
Correct Answer: E
Solution :
| CP of 100 kg of mixture |
| \[=\text{Rs}\text{.(75}\times \text{30+25}\times \text{36)}=Rs.\text{ }3150\] |
| SP = 110% of 3150 |
| \[=Rs.\left( \frac{110}{100}\times 3150 \right)=Rs.\,3465\] |
| Rate of SP of the mixture |
| \[=Rs.\left( \frac{3465}{100} \right)=\text{Rs}\text{. 34}\text{.65}\] |
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