railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Ratio and Proportion Third Proportional
If a : b = 5 : 3 and b : c = 3 : 7, then what will be the value of a : c?
1
\(\frac{3}{7}\)
2
\(\frac{25}{7}\)
3
\(\frac{15}{7}\)
4
\(\frac{5}{7}\)