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The average age of family of five members is 24 years. If the present age of youngest member is 8 years. What was the average age of the family at the time of birth of youngest member?

a)

16 years

b)

18 years

c)

20 years

d)

21 years



Question ID - 53701 | SaraNextGen Top Answer

The average age of family of five members is 24 years. If the present age of youngest member is 8 years. What was the average age of the family at the time of birth of youngest member?

a)

16 years

b)

18 years

c)

20 years

d)

21 years

1 Answer
127 votes
Answer Key / Explanation : (c) -

Total age of all members of family = 5×24=120 years.

∴ Sum of the remaining 4 members at the time of youngest member’s birthday=120-(8×5)=80 years

∴ Average of the remaining 4 members=years.

127 votes


127