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bkk145
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 13:25
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Is the median of 7 different integers less than 15?
(1) The largest number is 18
(2) The least number is 12

Medium difficulty I would say.



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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 13:44
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bkk145
Is the median of 7 different integers less than 15?
(1) The largest number is 18
(2) The least number is 12

Medium difficulty I would say.
Show more


so if we were to rephrase, the question is asking if the 4th element in the set is less than 15? (keeping in mind that the integers will be different)

i go for B

1) we know the 7th number in the set is 18 but we do not know the range,
so it could be {2, 3, 7, 15, 16, 17, 18} which is not less than 15 OR it could be {2, 3, 7, 8, 10, 17, 18} which is less than 15

2) we know the 1st number is 12 and the integers have to be different, so the extreme would be 12, 13, 14, 15... which means that the median will not be less than 15.

please correct me if my logic is incorrect :)
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 14:48
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consider:

{12,15,15,15,15,18,18}

{12,12,12,12,18,18,18}

the answer is (E)

:)
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 14:50
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KillerSquirrel
consider:

{12,15,15,15,15,18,18}

{12,12,12,12,18,18,18}

the answer is (E)

:)
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7 different digits is whats given in the question
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 14:52
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trivikram
KillerSquirrel
consider:

{12,15,15,15,15,18,18}

{12,12,12,12,18,18,18}

the answer is (E)

:)

7 different digits is whats given in the question
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Didn't saw that - why not (C) ?

since median can be 15 or more/less in either (A) or (B).

Thanks

:)
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 14:56
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trivikram
KillerSquirrel
consider:

{12,15,15,15,15,18,18}

{12,12,12,12,18,18,18}

the answer is (E)

:)

7 different digits is whats given in the question

Didn't saw that - why not (C) ?

since median can be 15 or more/less in either (A) or (B).

Thanks

:)
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In A it can be but not in B since the least # is given
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 15:00
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trivikram
KillerSquirrel
trivikram
KillerSquirrel
consider:

{12,15,15,15,15,18,18}

{12,12,12,12,18,18,18}

the answer is (E)

:)

7 different digits is whats given in the question

Didn't saw that - why not (C) ?

since median can be 15 or more/less in either (A) or (B).

Thanks

:)

In A it can be but not in B since the least # is given
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$%#% I need to call it a night !

:cry:
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 15:04
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KillerSquirrel
trivikram
KillerSquirrel
trivikram
KillerSquirrel
consider:

{12,15,15,15,15,18,18}

{12,12,12,12,18,18,18}

the answer is (E)

:)

7 different digits is whats given in the question

Didn't saw that - why not (C) ?

since median can be 15 or more/less in either (A) or (B).

Thanks

:)

In A it can be but not in B since the least # is given

$%#% I need to call it a night !

:cry:
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Take it easy bud :-D
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 15:30
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beckee529
bkk145
Is the median of 7 different integers less than 15?
(1) The largest number is 18
(2) The least number is 12

Medium difficulty I would say.

so if we were to rephrase, the question is asking if the 4th element in the set is less than 15? (keeping in mind that the integers will be different)

i go for B

1) we know the 7th number in the set is 18 but we do not know the range,
so it could be {2, 3, 7, 15, 16, 17, 18} which is not less than 15 OR it could be {2, 3, 7, 8, 10, 17, 18} which is less than 15

2) we know the 1st number is 12 and the integers have to be different, so the extreme would be 12, 13, 14, 15... which means that the median will not be less than 15.

please correct me if my logic is incorrect :)
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Beckee, Perfect!
OA=B
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yash500
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 19:27
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beckee529 - u r genious! I thought both will A & B will solve this problem. But you took just B to solve it. Great to know your understanding in depth.
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Is the median of 7 different integers less than 15? (1) The 21 Oct 2007, 21:50
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bkk145
Is the median of 7 different integers less than 15?
(1) The largest number is 18
(2) The least number is 12

Medium difficulty I would say.
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B perfectly makes sense. A is a big trap.

good question. thanks bkk145.



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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