A business man bought 30 Kgs of wheat for Rs. 240 and another 20 Kgs of wheat for Rs. 240. What is the profit percentage, if both are mixed and Sold for Rs. 10 per Kg.
1
\(6 \frac{1}{4}\)%
2
\(6 \frac{1}{5}\)%
3
\(4 \frac{1}{6}\)%
4
\(5 \frac{1}{6}\)%