Question:
Rahul is 6 years older than his younger sister. After 1 0 years, the sum of their ages will be 50 years. Find their present ages
Answer:
Let the present age of Rahul sister = x
So, the present age of Rahul = x + 6
After 10 year,
Age of Rahul sister = x + 10
and age of Rahul = x + 6 + 10 = x + 16
Given, Sum of their ages = 50
=> x + 10 + x + 16 = 50
=> 2x + 26 = 50
=> 2x = 50 - 26
=> 2x = 24
=> x = 24/2
=> x = 12
So, the present age of Rahul sister = x = 12 yrears
and the present age of Rahul = x + 6 = 12 + 6 = 18 years
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