state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Ratio and Proportion
A variable x is proportional to y. If 3 values x1, x2, x3 of x are in the ratio 2 ∶ 3 ∶ 4 such that x1 + x2 + x3 = 9 and x1y1 + x2y2 + x3y3 = 29 then the ratio of the increase percentages of x1y1, x2y2, x3y3 over x1, x2, x3 respectively is
1
4 ∶ 9 ∶ 16
2
1 ∶ 3 ∶ 6
3
1 ∶ 2 ∶ 3
4
3 ∶ 4 ∶ 5