model 7 average on ages/weight Practice Questions Answers Test with Solutions & More Shortcuts

Question : 26 [SSC CHSL 2010]

The average age of a husband and wife, who were married 4 years ago, was 25 years at the time of their marriage. The average age of the family consisting of husband, wife and a child, born during the interval is 20 years today. The age of the child is

a) 2 years

b) 1 year

c) 3 years

d) 2.5 years

Question : 27 [SSC SO 2005]

When the average age of a husband and wife and their son was 42 years, the son got married and a child was born just one year after the marriage. When child turned to be five years then the average age of family became 36 years. What was the age of daughter-in-law at the time of marriage ?

a) 25 years

b) 26 years

c) 23 years

d) 24 years

Question : 28 [SSC DEO 2009]

The average age of eleven cricket players is 20 years. If the age of the coach is also included, the average age increases by 10%. The age of the coach is

a) 44 years

b) 48 years

c) 36 years

d) 40 years

Question : 29 [SSC Constable 2013]

Two years ago the average age of a family of 8 members was 18 years. After the addition of a baby, the average age of the family is same today. What is the age of the baby ?

a) 1$1/2$ years

b) 2 years

c) 2 $1/2$ years

d) 1 year

Question : 30

There were 24 students in a class. One of them, who was 18 years old, left the class and his place was filled up by a newcomer. If the average of the class thereby, was lowered by one month, the age of the newcomer is

a) 15 years

b) 14 years

c) 17 years

d) 16 years