Aptitude - Average - Discussion
Discussion Forum : Average - General Questions (Q.No. 2)
2.
A family consists of two grandparents, two parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family?
Answer: Option
Explanation:
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Video Explanation: https://youtu.be/OXLnoItd0MA
Discussion:
70 comments Page 3 of 7.
Siddhant said:
10 years ago
In question they mention that 2 parents and 2 grandparents, parents mean father and mother both, then why 67 and 35 are multiplied by 2, why not 4. Because there are 2 parents.
Kamal Jeet said:
10 years ago
According to Question : 2 Grandparents mean two members (Grandfather and Grandmother) Not mean to say (2 Grandfather or 2 Grandmother)!
And same follow as two Parents (Dad and Mom).
At Last 2 + 2 + 3 = 7.
I hope you understood.
And same follow as two Parents (Dad and Mom).
At Last 2 + 2 + 3 = 7.
I hope you understood.
Neha said:
9 years ago
How can you say that grandchildren are three?
Spvn said:
9 years ago
Thanks @Rupinderjit.
Pratiksha said:
9 years ago
Can someone tell me that 31.5 is the write answer?
Shivu said:
9 years ago
Thank you for all the explanation of the solution.
Shivu said:
9 years ago
Friends, how we write 222/7 into 31*5/7? Please tell me.
Arvind said:
9 years ago
Can we add all the avgs and divide by 3?
The avg of grandparents, grandchildren and parents are given
67 + 35 + 6/3 = 36.
Am I right?
The avg of grandparents, grandchildren and parents are given
67 + 35 + 6/3 = 36.
Am I right?
Jatin007 said:
9 years ago
No @Arvind.
The number of people is 7 so we have to divide with 7. Read the question carefully. You will find the answer.
The number of people is 7 so we have to divide with 7. Read the question carefully. You will find the answer.
Ravisinh mori said:
9 years ago
How total person 7 in a family?
Total person is 11 because 2 grandparents = 4person, 2 parents = 4person, 3children so total is 11 instead of 7.
Total person is 11 because 2 grandparents = 4person, 2 parents = 4person, 3children so total is 11 instead of 7.
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