railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Quantitative Aptitude Interest Simple Interest
Pooja invested a certain sum in a scheme at simple interest of r% per annum for 12.5 years and got interest equal to \(\frac{3}{4}\) of sum invested.
1
\(5\frac{3}{4}\)
2
6
3
4
4
\(7\frac{1}{2}\)