Tips & Tricks Given: Ratio of 2 numbers is 3 : 4 Each number is increased by 2 New ratio of numbers = 7 : 9 Calculation: Let the numbers be 3x and 4x According to the question,
(3x+2)
(4x+2)
=
7
9
⇒9(3x+2)=7(4x+2) ⇒ 27x+18=28x+14 ⇒ x=4 ∴ The numbers are 3×4=12 and 4×4=16