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The mean of p, q, and r is 20
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13 Jun 2022, 02:00
13 Jun 2022, 02:00
Expert Reply
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Question Stats:
50% (00:29) correct
50% (00:29) wrong based on 6 sessions
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The mean of p, q, and r is 20
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 mean of p, q, r, and 40 |
30 |
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
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022)
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GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: The mean of p, q, and r is 20
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13 Jun 2022, 04:12
13 Jun 2022, 04:12
1
The mean of p, q, and r can be expressed as (p+q+r)/3=20
So by multiplying by both sides of the equation by 3, p+q+r=60
By adding 40 to the values, the mean becomes 60+40/4=25
30>25
B
So by multiplying by both sides of the equation by 3, p+q+r=60
By adding 40 to the values, the mean becomes 60+40/4=25
30>25
B
The mean of p, q, and r is 20
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13 Jun 2022, 05:43
13 Jun 2022, 05:43
1
Quantity A: 25 ----> \(\frac{((20*3)+40)}{4 } = 25\)
Quantity B: 30
Answer is (B)
Quantity B: 30
Answer is (B)
