| A fruit seller buys 700 oranges at the rate of Rs. 500 for 100 oranges and another variety of 500 oranges at the rate of Rs. 700 for 100 oranges and sells them at Rs. 84 per dozen. The profit per cent is |
A) 20%
B) 40%
C) 30%
D) 10%
Correct Answer: A
Solution :
| Total cost price \[=500\times 7=Rs.\,3500\] |
| and another variety \[=700\times 5=Rs.\,3500\] |
| Total cost price \[=3500+3500=Rs.\,7000\] |
| Total selling price \[=84\times 100=Rs.\,8400\] |
| Profit \[=8400-7000=1400\] |
| \[\operatorname{Profit}%=\frac{1400\times 100}{7000}=20%\] |
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