SSC CGL 2019 PYQ — Question 72

SSC CGL Tier II - Quant 13th Sep. 19 • Quantitative Aptitude • Q72

Two numbers are in the ratio 3 : 5. If 13 is subtracted from each, the new numbers are in the ratio 10 : 21. If 15 is added to each of the original numbers, then the ratio becomes?

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. 24 : 35.

Let the numbers be 3x and 5x 

63x - 273 = 50x - 130

13x = 143

x = 11

The numbers are :

3 × 11 = 33

5 × 11 = 55

Ratio after adding 15 to both the sides :