Question

karan is three years older than charu.six years ago ,karan's age was four times charu's age .find the present ages of karan and charu

Answer 1

Answer:

Karan is 10 years old and Charu is 7 years old

Step-by-step explanation:

Let the present age of Charu be x years

Let the present age of Karan be (x+3) years

6 years ago,

Karan's age = (x+3)-6 years = (x-3) years

Charu's age = (x-6) years

According to the question,

x-3 = 4(x-6)

x-3 = 4x-24

4x-x = 24-3

3x = 21

x = 7 years

Therefore Charu's age is 7 years

Karan's age is (x+3) years = 7+3 = 10 years

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Answer 2

Let the present age of Karan be x

Let the present age of Charu be y

x=y+3 --------(i)

Six years ago:

Karan age=x-6

Charu age=y-6

But,

(x-6)=4(y-6)

x-6=4y-24

But x=y+3

Therefore,

y+3-6=4y-24

3y=21

y=7

And

x=y+3

x=10

Therefore,

Age of Karan = 10 years

And age of Charu=7 years