railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Ratio and Proportion
\({1 \over 5}\) : \({3 \over 4}\) :: \({2\over 7}\) : x থেকে x-এর মান নির্ণয় করুন?
1
\({4 \over7}\)
2
\({15 \over 14}\)
3
\({6 \over 5}\)
4
\({12 \over 15}\)