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Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here. The average (arithmetic mean) of 87, 95, and 130  Question banks Downloads My Bookmarks Reviews Important topics
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The average (arithmetic mean) of 87, 95, and 130 [#permalink]
Expert's post 00:00

Question Stats: 94% (00:13) correct 5% (01:01) wrong based on 17 sessions
 Quantity A Quantity B The average (arithmetic mean) of 87, 95, and 130 The average (arithmetic mean) of 88, 95, and 129

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.

Kudos for R.A.E
[Reveal] Spoiler: OA

_________________ Intern Joined: 25 Aug 2018
Posts: 3
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Re: The average (arithmetic mean) of 87, 95, and 130 [#permalink]
1
KUDOS
Carcass wrote:
 Quantity A Quantity B The average (arithmetic mean) of 87, 95, and 130 The average (arithmetic mean) of 88, 95, and 129

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.

Kudos for R.A.E

87 + 95 + 130 = 88 + 95 + 129 = 312

$$Average = \frac{Total}{3}$$

Therefore, the there two quantities are equal(Option C) Director Joined: 20 Apr 2016
Posts: 902
WE: Engineering (Energy and Utilities)
Followers: 11

Kudos [?]: 668  , given: 147

Re: The average (arithmetic mean) of 87, 95, and 130 [#permalink]
1
KUDOS
Carcass wrote:
 Quantity A Quantity B The average (arithmetic mean) of 87, 95, and 130 The average (arithmetic mean) of 88, 95, and 129

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.

Kudos for R.A.E

Here,
No calculation is required,

Compare the values in QTY A i.e. 87 , 95 and 130

QTY B = 88 , 95 , 129

As it can be seen that 88 is 1 up to 87 and 129 is one down 130. The middle term 95 remains the same.

Hence both QTY A and QTY B will have same AM
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Rules for Posting https://greprepclub.com/forum/rules-for ... -1083.html Re: The average (arithmetic mean) of 87, 95, and 130   [#permalink] 03 Apr 2019, 04:30
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