M purchased x kg wheat the price of Rs. 40/kg, sold 12 kg wheat at price of Rs. x per kg while remaining wheat is sold at the price of Rs. 60 per kg. He made overall profits equal to 8%. Find the quantity of wheat sold by M at the rate of Rs. 60/kg.
1
12.5 kg
2
13 kg
3
15 kg
4
10 kg