SSC GD 2019 PYQ — Question 65

SSC GD Constable (English) - 15 Feb 2019 Shift 2 • Quantitative Aptitude • Q65

The ratios of spirit and water in vessels A and B are 4 : 5 and 7: 11, respectively. The contents of A and B are mixed in the ratio 2 : 5. What is the ratio of spirit and water in the resulting solution?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 17 : 25

According to question, 

First make the total value of both solutions equal hence multiply the first sol by 2

Vessel A = 8 : 10, Vessel B = 7 : 11

The contents of A and B are mixed in the ratio 2 : 5

Now multiply the Vessel A by 2 and Vessel B by 5 we get,

Vessel A = 16 : 20, Vessel B = 35 : 55

Ratio of spirit and water in resulting sol ,

(16 + 35) : (20 + 55) = 51 : 75 = 17 : 25