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The average of five consecutive integers starting from m
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11 Apr 2019, 16:21
11 Apr 2019, 16:21
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Question Stats:
64% (00:45) correct
36% (00:27) wrong based on 150 sessions
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Quantity A |
Quantity B |
The average of five consecutive integers starting from m |
The average of six consecutive integers starting from m |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
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The average of five consecutive integers starting from m
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11 Apr 2019, 16:29
11 Apr 2019, 16:29
1
Carcass wrote:
Quantity A |
Quantity B |
The average of five consecutive integers starting from m |
The average of six consecutive integers starting from m |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
QUANTITY A: The average of five consecutive integers starting from m
So, the 5 numbers are: m, m+1, m+2, m+3 and m+4
Average = (m + m+1 + m+2 + m+3 + m+4)/5
= (5m + 10)/5
= m + 2
QUANTITY B: The average of six consecutive integers starting from m
So, the 6 numbers are: m, m+1, m+2, m+3, m+4 and m+5
Average = (m + m+1 + m+2 + m+3 + m+4 + m+6)/6
= (6m + 15)/6
= m + 2.5
We have:
QUANTITY A: m + 2
QUANTITY B: m + 2.5
Subtract m from both quantities to get:
QUANTITY A: 2
QUANTITY B: 2.5
Answer: B
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Re: The average of five consecutive integers starting from m
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23 Sep 2019, 23:21
23 Sep 2019, 23:21
Can we consider negative integers?
