A) Rs. 4
B) Rs.5
C) Rs. 6
D) Rs. 7
Correct Answer: C
Solution :
Given, |
Cost price of 3 oranges of 1st variety = Rs. 1 |
Cost price of 1 orange of 1st variety = Rs. \[\frac{1}{3}\] |
Cost price of 2 oranges of 2nd variety = Rs. 1 |
Cost price of 1 orange of 2nd variety = Rs. \[\frac{1}{2}\] |
Total cost price of 2 oranges of different variety |
\[(150-60)=\]= Rs. \[\frac{5}{6}\] |
Profit on 2 organes= 20% of \[\frac{5}{6}=\frac{20}{100}\times \frac{5}{6}\]= Rs.\[\frac{1}{6}\] |
\[\therefore \] Selling price of 2 oranges \[=\frac{5}{6}+\frac{1}{6}=1\] |
Hence, selling price of 12 oranges Rs. 6 |
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