railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Ratio and Proportion Simple Ratios
જો \({{a} \over b} : {{7} \over 5}\) , તો \({{(5a + 4b) } \over 5a - 4b}\)ની કિંમત શું હશે ?
1
\({{3} \over 11}\)
2
\({{7} \over 8}\)
3
\({{11} \over 3}\)
4
\({{5} \over 7}\)