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# M19-15

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Math Expert
Joined: 02 Sep 2009
Posts: 47084

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16 Sep 2014, 01:06
1
00:00

Difficulty:

5% (low)

Question Stats:

92% (00:22) correct 8% (00:34) wrong based on 146 sessions

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If a dance class consists of 5 boys and 4 girls, how many different boy-girl pairs are possible?

A. 12
B. 16
C. 20
D. 24
E. 32

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Math Expert
Joined: 02 Sep 2009
Posts: 47084

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16 Sep 2014, 01:06
1
Official Solution:

If a dance class consists of 5 boys and 4 girls, how many different boy-girl pairs are possible?

A. 12
B. 16
C. 20
D. 24
E. 32

$$20 = 5*4$$ (5 choices for a boy and 4 choices for a girl).

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Manager
Joined: 09 Nov 2016
Posts: 56

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12 Aug 2017, 01:16
A question on Principleof Counting

Its easy math.. Just 5*4=20.. Clear C.
Re: M19-15   [#permalink] 12 Aug 2017, 01:16
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# M19-15

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