10 years ago, Chandravatis mother was 4 times older than her daughter. After 10 years, the mother will be twice older than the daughter. The present age of Chandravati is:
5 years
10 years
20 years
30 years
Explanation:
Let Chandravatis age 10 years ago be x years.
Mothers age 10 years ago =(4x) years
2(x+20)=(4x+20)⇒⇒ x = 10
Present age of Chandravathi = (x+10)=20 years
Let Chandravatis age 10 years ago be x years.
Mothers age 10 years ago =(4x) years
2(x+20)=(4x+20)⇒⇒ x = 10
Present age of Chandravathi = (x+10)=20 years