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The average (arithmetic mean) of four numbers is 100. Three
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22 Oct 2020, 07:29
22 Oct 2020, 07:29
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The average (arithmetic mean) of four numbers is 100. Three of the numbers are 60, 70 and 140.
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.
Source: 320 GRE Math Questions
Quantity A |
Quantity B |
The fourth number |
120 |
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.
Source: 320 GRE Math Questions
Re: The average (arithmetic mean) of four numbers is 100. Three
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22 Oct 2020, 08:21
22 Oct 2020, 08:21
1
Carcass wrote:
The average (arithmetic mean) of four numbers is 100. Three of the numbers are 60, 70 and 140.
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.
Source: 320 GRE Math Questions
Quantity A |
Quantity B |
The fourth number |
120 |
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.
Source: 320 GRE Math Questions
If the average is 100, then the four numbers sums to 400. So x+60+70+140=400. X=130.
Answer is A
gmatclubot
Re: The average (arithmetic mean) of four numbers is 100. Three [#permalink]
22 Oct 2020, 08:21
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