1.Three years ago average age of Gajendra's family having 5 members was 18 years. Gajendra become father but the average age of family remains same .When will be the age of that child equals to the present average age of family?
A) 14 years
B) 13 years
C) 15 years
D) 18 years
E) None of these

2. The average age of husband-wife and their son was 43 years. After 3 years the son got married, again after 3 years a child was born to them. When the child became 3 years old, the average age
of the family becomes 39 years. What was the age of son's wife at the time of their marriage?
A) 20 years
B) 30 years
C) 25 years
D) 35 years
E) None of these

3. When couple was married their average age was 23 years. When their first child was born average age of the family became 18 years. When their second child was born the average age of family
remains same , find the average age of the family when first child will be 9 years old ?
A) 24 years
B) 21 years
C) 18 years
D) 27 years
E) None of these

4. 5 years ago , the average age of the family having 4 members was 20 . Find the ratio of average age of family 5 years hence i.e. at the time of birth of  child to the average age of family 7 years hence ?
A)12:13
B)13:15
C)17:19
D)15:13
E)None of these

5 In a family the present age of father is 300% of his son .  And the mother's age is 262.5 % of her daughter.The sister's age is 20% less than her brother,and if the average age of father and son is 40yrs
,then find the average age of mother and daughter. ?
A) 58 years
B)29 years
C) 56 years
D)28 years
E) None of these

6 .Five times the difference of ages of chetan and arun  is 5 years more than the present age of baban . Chetan's age is 125 % of arun's age. The ratio between Chetan's age 5years ago to baban's age 3
years hence is 5/6. Find the addition of ages of Chetan and arun when baban's age was 10 years?
A) 22 years
B) 24 years
C) 28 years
D) 26 years
E) None of these

7.Paresh  is as much younger than tushar as he is older than nitin. Average age of tushar and nitin is 32 years. Find the ratio of age of tushar 2 years hence to age of nitin 1 year before , if tushar's age will be 3 times the age of nitin  ?
A) 3:10
B) 3:5
C) 5:3
D) 10:3
E) None of these

8-10 . My sister is 7 years elder to me, and my brother is 3 years younger to my sister. When I was born My mother's age was 7 years more than twice the addition of my brother, my sister, and me .
10 years ago my father's age was 2 years more than the addition of ages of  my brother, sister and me 3 years ago . When my mother was born my  grandfather's age was sum of my father's age at that time and thrice the addition of ages of my sister, brother and me 10 years ago. 3 years hence from now addition of ages of my brother, sister and me will be 53 years.

I) after how many years we will celebrate our grandfather's 100th  (centenarian) birthday?
A)11 years
B)14 years
C)10 years
D) 9 years
E) None of these

II) find the percentage of my  grandfather's age  1 year hence to my mother's age 5 years hence ?
A)125%
B)175%
C)170%
D)200%
E) None of these

III) find  the ratio between the ages of addition of my mother ,grandfather, and father 3 years hence  to addition of ages of my brother, sister and me after 2 years hence ?
A) 10:37
B)47:17
C)37:10
D)17:47
E) None of these

Posted By-
Bhushan S. Patil,
Pranav M Walse,
(Team SUPRAVI).