Thats odd!!

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Thats odd!!

by ayankm » Sat May 08, 2010 7:29 am
If x and y are consecutive odd integers,
what is the sum of x and y?

(1) The product of x and y is negative.
(2) One of the integers is equal to -1.

Answer is A

As per my understanding, the answer should be D.
Where am I getting this wrong?

Any help would be much appreciated.

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by akhpad » Sat May 08, 2010 7:36 am
If x and y are consecutive odd integers, what is the sum of x and y?

(1) The product of x and y is negative.
(2) One of the integers is equal to -1.

Statement 1:

(x, y) = (-1, 1) Only one possibility

x+y = 0

Sufficient

Statement 2:
(x, y) = (-3, -1), (-1, 1) Two possibilities

x+y = -4 or 0

Not Sufficient

Answer: A