Question

Raghav is 5 years younger than his sister . What is



Raghav’s age? How old will he be after 3 years?

What was his age 5 years ago? Take Raghav’s sister’s age

to be ‘ y ’ years
​

Answer 1

Step-by-step explanation:

Rajat is 5 years younger than his sister. After 8 years, the ratio of their ages will be 2: 3. What will be their ages then?

Let X = Rajat’s age and Y = his sister’s age

X = Y - 5

3(X + 8 ) = 2 (Y + 8)

Plugging in X = Y - 5:

3(Y - 5 + 8) = 2 (Y + 8)

3(Y + 3) = 2 (Y + 8)

3Y + 9 = 2Y + 16

Y = 16 - 9 = 7

And solving for X:

X = 7 - 5 = 2

So Rajat is 2 and his sister is 7, and in 8 years he is 10 and she is 15.

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