railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Ratio and Proportion Simple Ratios
ଯଦି \ ({{a} \ over b}: {{7} \ over 5} \) , ତେବେ \ ({{(5a + 4b)} \ 5a - 4b} \) ର ମୂଲ୍ୟ କ’ଣ ହେବ?
1
\({{3} \over 11}\)
2
\({{7} \over 8}\)
3
\({{11} \over 3}\)
4
\({{5} \over 7}\)