What will come in place of the question mark (?) in the following equation? ?% of 15 = 4.5

What will come in place of the question mark (?) in the following equation?

?% of 15 = 4.5

A 0.3

B 30

C 15

D 10

E None of these

Correct Answer: Option B

?% of 15 = 4.5

Let ‘?’ be x

Therefore, x% of 15 = 4.5

⇒ (x/100) × 15 = 4.5

⇒ x = (4.5 × 100)/15

⇒ x = 4500/150

⇒ x = 30%