MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Mean

Three years a...

Question

Three years ago, the average age of the family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. What is the baby today?

A

4 years

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

3 years

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

2 years

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

1 year

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 2 years
Present total ages of six members $= 17 \times 6$ i.e., 102 years.
Present ages of 5 members $= 5 \times (17 + 3)$ i.e. 100 years.
$⟹$ Baby is 2 years old to-day.

Suggest Corrections

thumbs-up

0

Similar questions

Q. The average age of a couple at the time of marriage was 20 years. After 8 years of marriage they have a baby of 4 years old. Calculate the average age of the family when the baby was born

Q. Ten years ago, the ages of members of a joint family of eight people added up to 231 years. Three years later, one member died at the age of 60 years and a child was born in the same year. After another three years, one more member died, again at 60, and a child was born during the same year. The current average age of this eight member joint member is nearest to?

Q. The average age of

5

members of a family is

24

years. If the youngest member is

8

years old, then what was the average age (in years) of the family at the time of the birth of the youngest member?

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Central Tendency

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon