state gov Bihar Vidhan Sabha Security Guard Mock Test 2024 Quantitative Aptitude Ratio and Proportion Fourth Proportional
If a ∶ b = 2 ∶ 3, b ∶ d = 3 ∶ 4, c ∶ d = 1 ∶ 2, what is the value of \(\rm \frac{(a+b+c+e)}{(a+2b+c+d+2e)}?\)
1
3
2
\(\frac{1}{3}\)
3
2
4
\(\frac{1}{2}\)