A shopkeeper has two types of pulses: one costing ₹60/kg and the other costing ₹90/kg. He mixes them in a specific ratio and sells the mixture at ₹84/kg, thereby earning a 20% profit. In what ratio did he mix the two types of pulses?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 2:1.
Selling price = ₹84
Profit = 20%
So,
Cost price of mixture = = ₹70 per kg
Now use alligation:
