Problems on Age - Solved Examples(Set 3)
11. The sum of the present ages of a son and his father is years. Six years ago, father's age was five times the age of the son. After years, what will be son's age? | |
A. years | B. years |
C. years | D. years |
answer with explanation
Answer: Option D
Explanation:
Let the present age of the son
Then, present age of the father
Six years ago father's age was times the age of the son
Son's age after years
Explanation:
Let the present age of the son
Then, present age of the father
Six years ago father's age was times the age of the son
Son's age after years
12. Kiran is younger than Bineesh by years and their ages are in the respective ratio of How old is Kiran? | |
A. | B. 24.5 |
C. | D. |
answer with explanation
Answer: Option B
Explanation:
Solution 1
Let age of Kiran and Bineesh be and respectively
Kiran's age
Solution 2
Kiran's age : Bineesh's age
units (∵ difference in age is )
units
i.e., Kiran's age
Explanation:
Solution 1
Let age of Kiran and Bineesh be and respectively
Kiran's age
Solution 2
Kiran's age : Bineesh's age
units (∵ difference in age is )
units
i.e., Kiran's age
13. Six years ago, the ratio of the ages of Vimal and Saroj was . Four years hence, the ratio of their ages will be . What is Saroj's age at present? | |
A. | B. |
C. | D. |
answer with explanation
Answer: Option C
Explanation:
Given that, six years ago, the ratio of the ages of Vimal and Saroj
Hence we can assume that
age of Vimal six years ago
age of Saroj six years ago
After years, the ratio of their ages
Saroj's present age
Explanation:
Given that, six years ago, the ratio of the ages of Vimal and Saroj
Hence we can assume that
age of Vimal six years ago
age of Saroj six years ago
After years, the ratio of their ages
Saroj's present age
14. At present, the ratio between the ages of Shekhar and Shobha is . After years, Shekhar's age will be years. Find out the age of Shobha at present? | |
A. years | B. years |
C. years | D. years |
answer with explanation
Answer: Option A
Explanation:
After years, Shekhar's age will be years
Therefore, Present age of Shekhar
Let present age of Shobha
Then,
Explanation:
After years, Shekhar's age will be years
Therefore, Present age of Shekhar
Let present age of Shobha
Then,
15. My brother is years elder to me. My father was years of age when my sister was born while my mother was years of age when I was born. If my sister was years of age when my brother was born, then what was the age of my father when my brother was born? | |
A. years | B. years |
C. years | D. years |
answer with explanation
Answer: Option D
Explanation:
Solution 1
Let my age
Then
My brother's age
My mother's age
My sister's age
My father's age
Age of my father when my brother was born
Solution 2
Father's age was years when my sister was born.
My sister's age was years when my brother was born.
Therefore, father's age was years when my brother was born
.
Explanation:
Solution 1
Let my age
Then
My brother's age
My mother's age
My sister's age
My father's age
Age of my father when my brother was born
Solution 2
Father's age was years when my sister was born.
My sister's age was years when my brother was born.
Therefore, father's age was years when my brother was born
.