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01 Nov 2016, 04:28
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If a is an odd integer and b is an even integer, which of the following CANNOT be true?
A. a + b is an odd integer.
B. a is a factor of b.
C. b is a factor of a.
D. a^b is an odd integer.
E. b^a is an even integer.
A. a + b is an odd integer.
B. a is a factor of b.
C. b is a factor of a.
D. a^b is an odd integer.
E. b^a is an even integer.
stonecold
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01 Nov 2016, 04:47
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An even number can never divide an odd number.
Hence C
Hence C
01 Nov 2016, 06:11
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Bunuel
If a is an odd integer and b is an even integer, which of the following CANNOT be true?
A. a + b is an odd integer.
B. a is a factor of b.
C. b is a factor of a.
D. a^b is an odd integer.
E. b^a is an even integer.
A. a + b is an odd integer.
B. a is a factor of b.
C. b is a factor of a.
D. a^b is an odd integer.
E. b^a is an even integer.
a = Odd
b = Even
Checking Options:
A. a + b = odd+even = odd Hence It can be True
B. a is a factor of b. if a=3 and b=6 a may be factor of b Hence It can be True
C. b is a factor of a. and Even Number can NEVER be a factor of an ODD number Hence False hence CORRECT OPTION
D. a^b is an odd integer.
E. b^a is an even integer
Answer: Option C
