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# ds - numbers N

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ds - numbers N [#permalink]  06 Nov 2005, 10:32
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Question Stats:

100% (01:05) correct 0% (00:00) wrong based on 2 sessions
If set N contains only consecutive positive integers, what is the sum of the numbers in set N?
(1) Nineteen times the sum of the first number in the set and the last number in the set is 1729
(2) There are 38 numbers in the set.
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I will go with C

Stmt 1) Let f be the first number and l be the last number
19 ( f + l ) = 1729
-> f + l = 91 (A)

Hence INSUFF

Stmt 2) is INSUFF.

Combining, we can calculate 'f' from (A) and Stmt 2 - Total 38 numbers. Hence suff.

Pls let me know if I have missed anything.
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