225% is equal to

Given, 225%

Need to write it in ratio form

∴ it can be written as [ % is removed dividing the given number by 100]

=

=

∴ required ratio is 9:4

⇒ Option A is correct as 9:4 = 9:4

⇒ Option B is incorrect as 4:9 ≠ 9:4

⇒ Option C is incorrect as 3:2 ≠ 9:4

⇒ Option D is incorrect as 2:3 ≠ 9:4

Hence, option A is correct one.