Question

A person mixes a variety- I of sugar worth Rs. 35 per kg with variety-II of worth Rs. 25 per kg. If the price of the mixture is Rs. 29 per kg, then what is the ratio of the two varieties of sugar in the mixture?
1. 2 : 3
2. 1 : 4
3. 5 : 7
4. 7 : 5

Answer 1

Correct Answer - Option 1 : 2 : 3

Given,

Cost of sugar of variety - I = Rs. 35

Cost of sugar of variety - II = Rs. 25

Cost of sugar of mixture = Rs. 29

Concept:/Formula:

Mixture and Allegation method:

a b

 c

(c - b) : (a - c)

Where, a > c > b

Calculation:

35 25

 29

4 : 6

The ration of the two varieties of sugar in the mixture = 4 : 6 = 2 : 3