railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Ratio and Proportion Third Proportional
The ratio of third proportional to X and Y and fourth proportional to X, Y and Z is 7 ∶ 22, then the ratio Z ∶ Y is:
1
22 ∶ 7
2
1 ∶ 5
3
49 ∶ 484
4
7 ∶ 22