Question

Mona is 5 years younger than her brother Rajiv. Rajiv's father is twice as old as him. If Mona is x years old, what would be their father's age (in years)?

Answer 1

Answer: Rajiv's  age be 2x+10 years.

Step-by-step explanation:

Let the age of Mona be x

Mona is 5 years younger than her brother Rajiv.

Let the age of Rajiv be x+5

According to question,

Rajiv's father is twice as old as him.

Let the age of Rajiv's father be 2(x+5)

Rajiv's age will be

$2(x+5)\\\\=2x+10$