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# Mean related question

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Intern
Joined: 01 Jul 2018
Posts: 6

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28 Aug 2018, 22:19
1) Quantity A: The average (Arithmetic mean) of x, y, z
Quantity B: The average (arithmetic mean) of 0.5x, 0.5y, 0.5z

Intern
Joined: 01 Jul 2018
Posts: 6

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28 Aug 2018, 22:21
My understanding was Quantity B is 0.5 of Quantity A. So Quantity A is bigger.
CEO
Joined: 15 Jul 2015
Posts: 3053
Location: India
GMAT 1: 780 Q50 V51
GRE 1: Q170 V169

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28 Aug 2018, 23:04
RomeoPenheiro wrote:
My understanding was Quantity B is 0.5 of Quantity A. So Quantity A is bigger.
Depends on whether you're allowed 0 and negative values for the quantities. If there is no restriction, then (for example, if x, y, and z are all negative or all zero)

$$(x+y+z)\leq\frac{x + y + z}{2}$$
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Intern
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28 Aug 2018, 23:29
I see it now AjiteshArun. Thanks so much!
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Joined: 13 Apr 2013
Posts: 1686
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29 Aug 2018, 11:23
RomeoPenheiro wrote:
1) Quantity A: The average (Arithmetic mean) of x, y, z
Quantity B: The average (arithmetic mean) of 0.5x, 0.5y, 0.5z

Hi RomeoPenherio,

You may get better response to your queries if you post them in appropriate forums.

Here is the link : https://gmatclub.com/forum/forum7/
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Status: It's near - I can see.
Joined: 13 Apr 2013
Posts: 1686
Location: India
GPA: 3.01
WE: Engineering (Real Estate)

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29 Aug 2018, 11:25
RomeoPenheiro wrote:
1) Quantity A: The average (Arithmetic mean) of x, y, z
Quantity B: The average (arithmetic mean) of 0.5x, 0.5y, 0.5z

Hi RomeoPenheiro,

You may get more responses to your queries if you post them in appropriate forums.

Here is the link : https://gmatclub.com/forum/forum7/
_________________
"Do not watch clock; Do what it does. KEEP GOING."
Mean related question   [#permalink] 29 Aug 2018, 11:25
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# Mean related question

Moderator: DisciplinedPrep