Question

Arvind is 6 times as old as his son. After 20 years, he will be only twice old as his son. find their present ages.​

Answer 1

Answer:

Let the age of the son is x , then the age of the man is 6 x. After 20 years

the age of the man will be 6 x + 20 and the age of the son will be x + 20. Then

6x+20=2(x+20)

⟹6x+20=2x+40⟹6x−2x=40−20⟹4x=20

⟹x=5

Hence the son is 5 years old and the father is 30 years old. Therefore

the father was 25 years old when his son was born.

Step-by-step explanation:

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Answer 2

Answer:

Answer:

Let the age of the son is x , then the age of the man is 6 x. After 20 years

the age of the man will be 6 x + 20 and the age of the son will be x + 20. Then

6x+20=2(x+20)

⟹6x+20=2x+40⟹6x−2x=40−20⟹4x=20

⟹x=5

Hence the son is 5 years old and the father is 30 years old. Therefore

the father was 25 years old when his son was born.

Step-by-step explanation:

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