2 jars X and Y has Horlicks and water mixed in the ratio of 4 3 and 2 3 in what ratio must the...........

Quantitative Aptitude ( CCS) Ratio, Proportion

2 jars X and Y has Horlicks and water mixed in the ratio of 4:3 and 2:3, in what ratio must these combinations be combined to create a new combination containing half Horlicks and half water?

7:5

9:5

8:5

2:3

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Explanation:

i): Let C.P. of 1 spoon Horlicks = Re.1
Ratio of Combination in X = 4:3
Horlicks in 1 spoon combination in X = 4/7 spoons,
Therefore, C.P of 1 spoon combination of X = Rs. 4/7
Ratio of combination in Y = 2:3
Horlicks in 1 litre combination in Y = 2/5 litre,
Therefore, C.P of 1 litre combination of Y = Rs. 2/5
Ratio of new combination = 1:1
Horlicks in 1 litre combination = (1/2) litre,
Therefore, C.P of 1 litre combination = Rs.(½ )
(Mean price = Rs.( ½ )
ii) By the rule of alligation
Needed Ratio = 1/14 : 1/10 = 7 : 5