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2,4,6,8,n,3,5,7,9 In the list above, if n is an integer

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Director
Joined: 10 Feb 2006
Posts: 636
2,4,6,8,n,3,5,7,9 In the list above, if n is an integer  [#permalink]

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30 Jun 2008, 07:13
2,4,6,8,n,3,5,7,9

In the list above, if n is an integer between 1 and 10 inclusive, then the median must be

either 4 or 5
either 5 or 6
either 6 or 7
n
5.5

Please help

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Re: median  [#permalink]

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30 Jun 2008, 07:21
Answer is (B).

Put the numbers except n in increasing order, you'll have 2,3,4,5,6,7,8,9

It is a series of 8 numbers and you had one more integer: n

- If n$$\le$$5, then 5 will be the median (it will be in position 5 out of 9 in increasing order)

- If n$$\ge$$6, then 6 will be the median (it will be in position 5 out of 9 in increasing order)

==> Median will either be 5 or 6
Intern
Joined: 17 May 2008
Posts: 5
Re: median  [#permalink]

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30 Jun 2008, 08:00
1
if we start with 1 inclusive

1 2 3 4 5 6 7 8 9

so here 5 is the median

if we keep 10 inclusive

2 3 4 5 6 7 8 9 10

so 6 is the median

hence its B
VP
Joined: 28 Dec 2005
Posts: 1462
Re: median  [#permalink]

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30 Jun 2008, 12:10
i got B. n can be any number from 2 to 9, inclusive. i just looked at the case where n=2, which is the lowest it can be, and n=9, which is the highest n can be.

For the first case, median was 5, and second case, median is 6.
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Re: 2,4,6,8,n,3,5,7,9 In the list above, if n is an integer  [#permalink]

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18 Nov 2017, 09:28
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Re: 2,4,6,8,n,3,5,7,9 In the list above, if n is an integer &nbs [#permalink] 18 Nov 2017, 09:28
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