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In set s, there are four numbers. Three of the numbers are 1
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23 Nov 2018, 05:48
23 Nov 2018, 05:48
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83% (00:46) correct
16% (01:13) wrong based on 65 sessions
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In set s, there are four numbers. Three of the numbers are 13, 29, and 41, and the fourth number is x. If the mean of the set is less than 25, what could be the value of x?
Indicate all possible values of x.
A. 13
B. 15
C. 17
D. 19
E. 21
F. 23
G. 25
H. 27
Indicate all possible values of x.
A. 13
B. 15
C. 17
D. 19
E. 21
F. 23
G. 25
H. 27
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Joined: 07 Aug 2016
Posts: 59
Given Kudos: 0
GRE 1: Q166 V156
Re: In set s, there are four numbers. Three of the numbers are 1
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23 Nov 2018, 20:12
23 Nov 2018, 20:12
the average is less than 25
So (x + 13 + 29 + 41)/4 < 25
x + 13 + 29 + 41 < 100
x < 100 - 73
x < 17
A and B
So (x + 13 + 29 + 41)/4 < 25
x + 13 + 29 + 41 < 100
x < 100 - 73
x < 17
A and B
Re: In set s, there are four numbers. Three of the numbers are 1
[#permalink]
24 Nov 2018, 17:47
24 Nov 2018, 17:47
1
Salsanousi wrote:
the average is less than 25
So (x + 13 + 29 + 41)/4 < 25
x + 13 + 29 + 41 < 100
x < 100 - 73
x < 17
A and B
So (x + 13 + 29 + 41)/4 < 25
x + 13 + 29 + 41 < 100
x < 100 - 73
x < 17
A and B
Hi,
It should be "100-83"... a syntax error I guess.
