Two varieties of wheat - A and B costing Rs. 9 per kg and Rs. 15 per kg were mixed in the ratio 3 : 7. If 5 kg of the mixture is sold at 25% profit, find the profit made?
Q1. Two varieties of wheat - A and B costing Rs. 9 per kg and Rs. 15 per kg were mixed in the ratio 3 : 7. If 5 kg of the mixture is sold at 25% profit, find the profit made?
Answer: Rs. 16.50
Explanation: Mixed cost = (3×9 + 7×15)/10 = Rs.13.20/kg; selling 5 kg at 25% profit gives SP = Rs.82.50, so profit = Rs.82.50 − Rs.66 = Rs.16.50.