Nivedita buys 6 kg of coffee powder for ₹2,730 per kg and another 12 kg of coffee powder for ₹1,002 per kg. What is the per kg cost (in ₹) of the mixture of 18 kg of coffee powder for her?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 1,578.
Total cost = (6 × 2730) + (12 × 1002) = 16,380 + 12,024 = 28,404
Total quantity = 6 + 12 = 18 kg
Cost per kg = 28,404 ÷ 18 = ₹1,578