8 kg of maize costing ₹51 per kg, is mixed with 9 kg of maize costing ₹68 per kg. The average per kg price of mixed maize is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ₹60.
Total cost of the first type of maize = 8 × 51 = ₹408
Total cost of the second type of maize = 9 × 68 = ₹612
Total cost of the mixed maize = 408 + 612 = ₹1020
Total weight of the mixed maize = 8 + 9 = 17 kg
Average price = 1020/17 = ₹60/kg
Therefore, the average per kg price of the mixed maize is ₹60.