Question

5 year ago Rahul father was five times Rahul's age at present the sum of Rahul and his father's age is 40 years what are their present age of Rahul and his father​

Answer 1

Step-by-step explanation:

∴According to the question,

Five years ago,

Let the age of Rahul = x years.

and his father 's age = 5(Rahul's age)=5x.

Now, After 5 years,

the present age of Rahul= x + 5

and his Father 's age = 5x + 5

Sum of their present ages is 40. [given]

⇒(x + 5) + (5x + 5) = 40

⇒x + 5+ 5x + 5 = 40

⇒6x + 10 = 40

⇒6x = 40 - 10

⇒6x = 30

⇒x = 5

∴ The present age of Rahul = x + 5 = 5 + 5 = 10 years.

and the present age of his Father = 5x + 5 = (55) + 5 = 25 + 5 = 30 years.

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Answer 2

Answer:

Five years ago, let father's age be 5x

and let Rahul's age be x

At the present, sum of their ages = 40

→ 5x + 5 + x + 5 = 40 years

→ 6x + 10 = 40

→ 6x = 40 - 10

→ 6x = 30

→ x = 5

Therefore Rahul's age = 5 years

And father's age = 40 - 5 = 35 years