state gov Bihar Police SI (दरोगा) Mock Test Series 2025 Quantitative Aptitude Ratio and Proportion Compound Ratios
45 ∶ 75, 3 ∶ 5, 51 ∶ 68 এবং 256 ∶ 81 এর যৌগিক অনুপাত কী?
1
\(\frac{64}{75}\)
2
\(\frac{75}{32}\)
3
\(\frac{128}{75}\)
4
\(\frac{32}{45}\)