Subject: General Aptitude · Chapter: Alligation or Mixture · Exam: · Marks: · Difficulty:
In what ratio must water be mixed with milk to 2 gain 16 % on selling the mixture at cost price ? 3
(a)1 : 6
(b)6 : 1
(c)2 : 3
(d)4 : 3
Answer
Answer (as printed): A
Explanation
Let C.P. of 1 litre milk be ` 1. 50 S.P. of 1 litre of mixture = ` 1, Gain = %. 3 3 6 ∴ C.P. of 1 litre of mixture = 100 × × 1 = ` . 350 7 By the rule of alligation, we have : C.P. of 1 litre of water C.P. of 1 litre of milk 0 `1 Mean price 6 ` 7 1 6 7 7 1 6 ∴ Ratio of water and milk = : = 1 : 6. 7 7 638
Explanation as extracted from the printed page; notation may be imperfect.