railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Ratio and Proportion Mean Proportional
The ratio of third proportional to 12 and 30 and the mean proportional between 9 and 25 would be –
1
3:4
2
5:1
3
2:7
4
1:3
The ratio of third proportional to 12 and 30 and the mean proportional between 9 and 25 would be –