In what ratio must a grocer mix two varieties of tea worth Rs.60 a kg and Rs.65 a kg
In what ratio must a grocer mix two varieties of tea worth Rs.60 a kg and Rs.65 a kg so that by selling the mixture at Rs.68.20 a kg, he may gain 10%?
- 3 : 2
- 3 : 5
- 3 : 4
- 4 : 5
Answer
Selling Price of tea mixture = Rs.68.20
For 10% profit, cost price of the mixture of tea should be Rs.62.
Using rule of alligation,
Cheaper Value: Rs. 60
Dearer Value: Rs. 65
Mean Value: Rs. 62
Ratio of quantities:
(65 - 62) : (62 - 60) = 3 : 2
The correct option in A.