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Is the sum of 7 different positive integers greater than 99?

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Manager
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Schools: MIT / INSEAD / IIM - ABC
Is the sum of 7 different positive integers greater than 99? [#permalink]

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New post 03 Nov 2008, 00:28
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Is the sum of 7 different positive integers greater than 99?

A-the largest number is 16
B-the range of the 7 number is 10
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Re: DS - Number theory [#permalink]

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New post 03 Nov 2008, 01:00
A.
From stmt1: the maximum sum will be when the numbers are 10,11,12,13,14,15,16 and their sum is less than 99.

From stmt2: the smalles and largest number could be 1 and 7 and sum will be < 99 and the smallest and largest number could be 100 and 107 and sum will be > 99. Insufficient.
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Re: DS - Number theory [#permalink]

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New post 03 Nov 2008, 01:04
scthakur wrote:
A.
From stmt1: the maximum sum will be when the numbers are 10,11,12,13,14,15,16 and their sum is less than 99.

From stmt2: the smalles and largest number could be 1 and 7 and sum will be < 99 and the smallest and largest number could be 100 and 107 and sum will be > 99. Insufficient.


Thanks! Didn't see "different positive integer". OA is A
Re: DS - Number theory   [#permalink] 03 Nov 2008, 01:04
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Is the sum of 7 different positive integers greater than 99?

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