engineering recuitment JVVNL Technical Helper 2022 Mock Test Quantitative Aptitude Ratio and Proportion Direct or Indirect Proportion
यदि \({1 \over {10}}:{1 \over a} = {1 \over a}:{1 \over 1},\)तब a का मान है
1
\(\sqrt 5\)
2
\(\sqrt {10}\)
3
\(2\sqrt 3\)
4
5
5
10