Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Other - Maths Section B1

Question:
In what ratio must water be mixed with milk to gain 40% by selling the mixture at the cost price of milk?
Options:
2:5
5:2
5:7
2:7
Correct Answer:
2:5
Explanation:
Let CP of milk be Re.1 per liter = SP of the mixture Gain % = 30% So CP of mixture = Rs (10/13) per liter let C = Rs. 0 /liter , D = Rs. 1 / liter and M = Rs.(10/14) / liter Then the ratio of mixes is (D-M): (M-C