A family consists of grandparents,parents,and | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The family consists of $2$ grandparents,$2$ parents,and $3$ grandchildren,making a total of $2 + 2 + 3 = 7$ members.Total age of the grandparents

Vedclass · Accepted Answer

$31 \frac{5}{7}$

Vedclass · Answer

(B) The family consists of $2$ grandparents,$2$ parents,and $3$ grandchildren,making a total of $2 + 2 + 3 = 7$ members.Total age of the grandparents $= 2 	imes 67 = 134 	ext{ years}$.Total age of the parents $= 2 	imes 35 = 70 	ext{ years}$.Total age of the grandchildren $= 3 	imes 6 = 18 	ext{ years}$.Total age of the family $= 134 + 70 + 18 = 222 	ext{ years}$.Average age of the family $= \frac{	ext{Total age}}{	ext{Total number of members}} = \frac{222}{7} = 31 \frac{5}{7} 	ext{ years}$.

$A$ family consists of grandparents,parents,and three grandchildren. The average age of the grandparents is $67 \text{ years}$,that of the parents is $35 \text{ years}$,and that of the grandchildren is $6 \text{ years}$. What is the average age of the family? (in $\text{years}$)

Similar Questions

The average of runs of a cricket player in $10$ innings was $32$. How many runs must he make in his next innings so as to increase his average of runs by $4$?

The average of three numbers is $28$. If the first number is half of the second and the third number is twice the second,then the third number is?

The average value of the numbers $15, 21, 32, 35, 46, x, 59, 65, 72$ should be greater than or equal to $43$ but less than or equal to $44$. Then the value of $x$ should be

If the average of $m$ numbers is $n^{2}$ and that of $n$ numbers is $m^{2}$,then the average of $(m + n)$ numbers is

The batting average for $40$ innings of a cricket player is $50$ runs. His highest score exceeds his lowest score by $172$ runs. If these two innings are excluded,the average of the remaining $38$ innings is $48$ runs. The highest score of the player is

Vedclass Test Series

Exam Paper Generator

Online Exam Module