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# What is the sum of three consecutive odd numbers a, b, c such that a <

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DS Forum Moderator
Joined: 21 Aug 2013
Posts: 1365
Location: India
What is the sum of three consecutive odd numbers a, b, c such that a <  [#permalink]

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21 Jul 2018, 09:46
3
00:00

Difficulty:

35% (medium)

Question Stats:

65% (00:38) correct 35% (00:34) wrong based on 23 sessions

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What is the sum of three consecutive odd numbers a, b, c such that a < b < c?

(1) b is the smallest positive odd number.

(2) a is the largest negative odd number.
Senior Manager
Joined: 29 Dec 2017
Posts: 388
Location: United States
Concentration: Marketing, Technology
GMAT 1: 630 Q44 V33
GMAT 2: 690 Q47 V37
GMAT 3: 710 Q50 V37
GPA: 3.25
WE: Marketing (Telecommunications)
What is the sum of three consecutive odd numbers a, b, c such that a <  [#permalink]

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21 Jul 2018, 15:11
Three consecutive odd numbers a, b, c , then we have: a, a+2, a+4. Sum = 3a+6. Knowing value of "a", we will be able to answer the question.

(1) b is the smallest positive odd number.

b=1, so a+2=1, a=-1. - Sufficient

(2) a is the largest negative odd number

a=-1 -Sufficient.

What is the sum of three consecutive odd numbers a, b, c such that a < &nbs [#permalink] 21 Jul 2018, 15:11
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