Aptitude - Average - Discussion
Discussion Forum : Average - General Questions (Q.No. 5)
5.
The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
Answer: Option
Explanation:
Total weight increased = (8 x 2.5) kg = 20 kg.
Weight of new person = (65 + 20) kg = 85 kg.
Video Explanation: https://youtu.be/ceg2jvHsiJU
Discussion:
84 comments Page 6 of 9.
Mariam said:
2 decades ago
65 is the weight of only 1 of the 8 persons. Then how can you take it as d weight of all d persons?
Vineela reddy said:
1 decade ago
@Manoj kumar is it useful for all?
Please give the clear information I'm ok but little confused.
Please give the clear information I'm ok but little confused.
Hemanjali T said:
5 years ago
Can you guys tell me about what happens if the weight is decreased by 2.5 kg? Please explain.
(1)
Iman said:
3 years ago
@Manoj Kumar.
Thanks for explaining. Your method is very helpful to solve the QA questions.
Thanks for explaining. Your method is very helpful to solve the QA questions.
Aamir said:
1 decade ago
A new person's weight is 65 kg and why add early 8 person, where as he is a replaced person.
Kumar said:
1 decade ago
Here we are replacing the person of 65kg, then how 2. 5kg will effect to replaced person.
Swetha said:
1 decade ago
Why do you add 20 for calculating the weight of new person? how is that logic?
Riya said:
1 decade ago
Thank you. I was confused earlier. Your explanation has cleared it all. :).
Abhishek said:
8 years ago
@Chitti.
Now, pepole is 13.
Avg. inc by 1.
Therefor 40 + 1><13 = 53.
Now, pepole is 13.
Avg. inc by 1.
Therefor 40 + 1><13 = 53.
Manoj Kumar said:
1 decade ago
Thanks for your support guys. Will post more useful information in future.
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