SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Quantitative Aptitude Ratio and Proportion Simple Ratios
x, y, and z are three positive numbers such that x > y > z. If the difference and the sum of x and y are in the ratio 1 ∶ 7 and that of y and z is in the ratio 1 ∶ 3, then find the ratio x ∶ z.
1
9 ∶ 4
2
8 ∶ 3
3
7 ∶ 2
4
6 ∶ 1