engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Number System Quick Math
R varies directly as S and inversely as T. When R = \({ {2} \over 5}\) and T = \({ {3} \over 7}\), S = \({ {3} \over 20}\). Find S when R = \({ {2} \over 7}\) and T = \({ {1} \over 5}\).
1
\({ {1} \over 15}\)
2
\({ {7} \over 10}\)
3
\({ {3} \over 5}\)
4
\({ {1} \over 20}\)