Ii. Ravi’smother is 20 years older than him. After five years, she w

1.	Ii. Ravi’smother is 20 years older than him. After five years, she will be thrice Ravi’s age. What is their age now.
Answer» ANSWER: Let Ravi's present AGE be X years. After 15 years, his age will be (x+15) years. It is given that after 15 years, Ravi's age will be four times his present age. ∴4x=x+15 ⇒4x−x=15 ⇒3x=15 ⇒x= 3 15 =5 Hence, Ravi's present age is 5 years. Step-by-step explanation:

Ii. Ravi’smother is 20 years older than him. After five years, she will be thrice Ravi’s age. What is their age now.

Answer»

Let Ravi's present AGE be X years.

After 15 years, his age will be (x+15) years.

It is given that after 15 years, Ravi's age will be four times his present age.

∴4x=x+15

⇒4x−x=15

⇒3x=15

⇒x=

Hence, Ravi's present age is 5 years.

Step-by-step explanation: