SSC Selection Post 2023 PYQ — Question 55

The correct answer is option 2 i.e. $22 {2\over9} \%\$.

Let principal = P

Triple amount = 3P

SI = 3P − P = 2P

⇒ SI = $PRT\over100$

⇒ 2P = $P\times R\times9\over100$

⇒ R = $200\over 9$ = $22 {2\over9} \%\$