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# If m and n are integers, then what is the value of (–1)m+ (–1)n+ (–1)m

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Intern
Joined: 16 Dec 2018
Posts: 6
If m and n are integers, then what is the value of (–1)m+ (–1)n+ (–1)m  [#permalink]

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29 Dec 2018, 01:06
2
1
00:00

Difficulty:

65% (hard)

Question Stats:

30% (01:01) correct 70% (00:34) wrong based on 23 sessions

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If m and n are integers, then what is the value of (–1)^m+ (–1)^n+ (–1)^m X (–1)^n?
(1) m = 23522101
(2) n = 63522251
Director
Joined: 31 Jul 2017
Posts: 512
Location: Malaysia
GMAT 1: 700 Q50 V33
GPA: 3.95
WE: Consulting (Energy and Utilities)
Re: If m and n are integers, then what is the value of (–1)m+ (–1)n+ (–1)m  [#permalink]

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29 Dec 2018, 01:50
1
Mahimab wrote:
If m and n are integers, then what is the value of (–1)^m+ (–1)^n+ (–1)^m X (–1)^n?
(1) m = 23522101
(2) n = 63522251

Statement I:

m = odd, Let n = even

then (–1)^m+ (–1)^n+ (–1)^m X (–1)^n = -1

m = odd, Let n = odd

then (–1)^m+ (–1)^n+ (–1)^m X (–1)^n = -1.

Similarly, we can try for Statement II.

Hence, each statement is Sufficient.
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Re: If m and n are integers, then what is the value of (–1)m+ (–1)n+ (–1)m  [#permalink]

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31 Dec 2018, 01:36
Mahimab wrote:
If m and n are integers, then what is the value of (–1)^m+ (–1)^n+ (–1)^m X (–1)^n?
(1) m = 23522101
(2) n = 63522251

Discussed here: https://gmatclub.com/forum/if-m-and-n-a ... fl=similar
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Re: If m and n are integers, then what is the value of (–1)m+ (–1)n+ (–1)m   [#permalink] 31 Dec 2018, 01:36
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