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If a, b, and c are consecutive integers, which of the following must
[#permalink]
05 Nov 2018, 01:34
05 Nov 2018, 01:34
Expert Reply
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Question Stats:
85% (01:12) correct
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If a, b, and c are consecutive integers, which of the following must be an odd integer?
A. a + b + c
B. abc
C. a + b + c + 1
D. ab(c − 1)
E. abc − 1
A. a + b + c
B. abc
C. a + b + c + 1
D. ab(c − 1)
E. abc − 1
Re: If a, b, and c are consecutive integers, which of the following must
[#permalink]
05 Nov 2018, 01:41
05 Nov 2018, 01:41
1
Kudos
Bunuel wrote:
If a, b, and c are consecutive integers, which of the following must be an odd integer?
A. a + b + c
B. abc
C. a + b + c + 1
D. ab(c − 1)
E. abc − 1
A. a + b + c
B. abc
C. a + b + c + 1
D. ab(c − 1)
E. abc − 1
The product of 3 consecutive integers will always be even.
Option E: abc -1 . Even -1 = odd. All time.
E is the best option.
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Re: If a, b, and c are consecutive integers, which of the following must
[#permalink]
05 Nov 2018, 11:10
05 Nov 2018, 11:10
If a, b, and c are consecutive integers, which of the following must be an odd integer?
A. a + b + c
B. abc
C. a + b + c + 1
D. ab(c − 1)
E. abc − 1
E : product would be even and subtracting 1 would give an odd no..
A. a + b + c
B. abc
C. a + b + c + 1
D. ab(c − 1)
E. abc − 1
E : product would be even and subtracting 1 would give an odd no..
