Correct Answer - Option 2 : 300
Given:
A number is decreased by 60%
Calculation:
We take original number = 100x,
thus if decreased by 60%,
number becomes 100x - 60x = 40x
Also, given new number = 120
⇒ 40x = 120
⇒ x = 3
Original number = 100x = 100 × 3 = 300
∴ original number is 300