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N equals the number of positive 3-digit numbers that contain odd digit

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Carcass
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N equals the number of positive 3-digit numbers that contain odd digit [#permalink] New post   21 Nov 2022, 08:42
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N equals the number of positive 3-digit numbers that contain odd digits only

Quantity A
Quantity B
N
125



A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.


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C
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Re: N equals the number of positive 3-digit numbers that contain odd digit [#permalink] New post   29 Nov 2022, 00:33
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Carcass wrote:
N equals the number of positive 3-digit numbers that contain odd digits only

Quantity A
Quantity B
N
125



A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.




Odd numbers = 1, 3, 5, 7, and 9

Number of ways of selecting 3 numbers = (\(^5C_1\))(\(^5C_1\))(\(^5C_1\)) = (5)(5)(5) = 125

Col. A: 125
Col. B: 125

Col. A = Col. B
Hence, option C
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gmatclubot
Re: N equals the number of positive 3-digit numbers that contain odd digit [#permalink]
29 Nov 2022, 00:33
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