Algebra_Age Sums
Class 7,8,9
Duration :30 minutes
Questions :
1. Raju's present age is 6 years. His brother age is 3 times that of Raju's age. Find his brother's age after three years ?
2. Rajeev age after 15 years will be 5 times his age 5 years back. What is the present age of Rajeev ?
3. The present age of Ram is one sixth of his father's present age. If the difference between their
present ages is 35 years, then what is his father's present age ?
4. The ages of Ravi and Rani are in the ratio of 3:5. After 9 years, the ratio of their ages will become
3:4. Find the present age of Rani ?
5. Ages of two friends are in the ratio 2:1. If the sum of their ages is 51, then their ages are
respectively-----
6. At present, the ratio between the ages of Arun and Deepak is 4:3. After 6 years, Arun's age will be
26 years. what is the age of Deepak at present ?
7. The difference in age between a girl and her younger sister is 4 years . The younger sister is 4 years. the younger sister in turn is 4 years older than her brother. The sum of the ages of the younger sister and her brother is 16 years. How old are the 3 children ?
8. Meera's mother is four times as old as Meera. After 5 years her mother will be three times as old
as she will be then. What are their present ages ?
9. This year, your brother Jack will be 2 years from being twice as old as your sister Jen. The sum of
Jack's age and three times Jen's age is 66. How old is Jen?
10. Raju is 4 years older than Rani. Next year Raju will be 2 times as old as Rani. How old is Raju?
Answers:
1. 21 years
2. 10 years
3. 42 years
4. 15 years
5. 34 years, 17 years
6. 15 years
7. Girl: 14, Younger sister : 10, Brother: 6
8. Meera: 10 years, Mother : 40 years
9. 13.6 years
10. 7 years
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