Home
Class 14
MATHS
In a family of 5 members, the average ag...

In a family of 5 members, the average age at present Is 33 years. The youngest member is 9 years old. The average age of the family Just before the birth of the youngest member was

A

24 वर्ष

B

30 वर्ष

C

29 वर्ष

D

25 वर्ष

Text Solution

Verified by Experts

The correct Answer is:
B
9 वर्ष पूर्व परिवार की औसत आयु = `(33 xx 5 - 9 xx 5)/(4)`
`= (165 - 45)/(4) = 120/4 = 30 ` वर्ष
Promotional Banner

Similar Questions

Explore conceptually related problems

The average age of a family of 5 members is 20 years. with the youngest member being 5 years old. What was the average age (in years) of the family just before the birth of the youngest member?

The average age of a family of 5 members is 20 years, with the youngest member being 5 years old. What was the average age ( in years) of the family just before the birth of the youngest member?

The average age of a family of 6 members is 25 years with the youngest member being 8 years old. What was the average age ( in years) of the family just before the birth of the youngest member?

The present average age of family of four members is 36 years . If the present age of the youngest member of family be 12 years , the average age of the family at the birth of the youngest number was

The average age of a family of five members is 24.If the present age of the youngest member is 8 yr, what was the average age of the family at the time of the birth of the youngest member?

The average age of 4 members of a family is 20 yr . If youngest member is 4 yr old, what was the average age of family at the time of the birth of youngest member?

The average age of a family of 6 members is 22 yrs. If the age of the youngest member be 7 yrs, then what was the average age of the family at the birth of the youngest member?