GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
The average (arithmetic mean) weight of 4 people is 85 kilog
[#permalink]
30 Aug 2018, 07:33
30 Aug 2018, 07:33
Expert Reply
00:00
Question Stats:
90% (00:47) correct
9% (00:44) wrong based on 71 sessions
Hide Show timer Statistics
The average (arithmetic mean) weight of 4 people is 85 kilograms. Two of the people weigh 75 and 90 kilograms, respectively.
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
The average (arithmetic mean) weight of the other two people, in kilograms |
85 kilograms |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Re: The average (arithmetic mean) weight of 4 people is 85 kilog
[#permalink]
15 Oct 2019, 17:45
15 Oct 2019, 17:45
sandy wrote:
The average (arithmetic mean) weight of 4 people is 85 kilograms. Two of the people weigh 75 and 90 kilograms, respectively.
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
The average (arithmetic mean) weight of the other two people, in kilograms |
85 kilograms |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
4 people TOTAL avg is = 4*85 = 340 ; other two is 75 + 90 = 165; So, For finding the others two is: 340-165=175
For A; 185/2= 87.5
For B; Given that 85
Answer : A.
Re: The average (arithmetic mean) weight of 4 people is 85 kilog
[#permalink]
20 Oct 2019, 08:51
20 Oct 2019, 08:51
Helpful! Thanks
