Question
Quantitative Aptitude Question on Mixtures and Allegations
A merchant mixes two varieties of rice, one costing Rs.12.75 per kg with another variety costing Rs.12 per kg in the proportion 1: r. He sells the mixture at Rs. 13.5C per kg and there by gains 10%. Find the value of r.
A
2
B
1.75
C
2.5
D
2.75
E
1.5
Answer
1.75
Explanation
Solution
The correct option is (B): 1.75.