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

Question : 1 [ SSC CGL Tier-1 2011]

The average age of 11 players of a cricket team is increased by 2 months when two of them aged 18 years and 20 years are replaced by two new players. The average age of the new players is

a) 19 years 6 months

b) 19 years 1 month

c) 19 years 5 months

d) 19 years 11 months

Question : 2 [SSC Section Officer 2006]

The average age of 24 boys and their teacher is 15 years. When the teacher’s age is excluded, the average age decreases by 1 year. The age of the teacher is

a) 39 years

b) 38 years

c) 41 years

d) 40 years

Question : 3 [SSC CHSL 2013]

The average age of A and B is 20 years. If A is to be replaced by C, the average would be 19 years. The average age of C and A is 21 years. The ages of A, B and C in order (in years) are

a) 18, 20, 22

b) 18, 22, 20

c) 22, 20, 18

d) 22, 18, 20

Question : 4

The average age of a husband and his wife was 23 years at the beginning of their marriage. After five years they have a one-year old child. The average age of the family of three, when the child was born, was

a) 24 years

b) 23 years

c) 20 years

d) 18 years

Question : 5 [SSC CGL Tier-I 2012]

5 years ago, the average age of P and Q was 15 years. Average age of P, Q and R today is 20 years. How old will R be after 10 years?

a) 40 years

b) 35 years

c) 50 years

d) 30 years