defence exam Indian Coast Guard Assistant Commandant (GD/CPL) 2025 Test Series Quantitative Aptitude Ratio and Proportion Componendo or Dividendo
If \(\frac{a}{b}\; = \;\frac{{25}}{6}\), then the value of \(\frac{{{a^2} - {b^2}}}{{{a^2} + {b^2}}}\) is
1
\(\frac{{589}}{{661}}\)
2
\(\frac{{589}}{{651}}\)
3
\(\frac{{625}}{{36}}\)
4
\(\frac{{661}}{{589}}\)