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Skag55
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Out of a classroom of 6 boys and 4 girls the teacher picks a 31 Aug 2013, 11:01
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tejal777
1.4C3/10C3
2. 6C3/10C3
3. 1-6C3/10C3
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My head just can't how does it translate in English?
The only way I can translate it in order to understand it is (for No3 for example): "We choose all the boys and we divide by the selection of 3 people from a total of 10" :?
Why would divide by a bigger set? What are we trying to exclude here?
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yamshi06
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Out of a classroom of 6 boys and 4 girls the teacher picks a 11 Jun 2015, 00:23
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for only girls--> 4c3/10c3
ony boys--> 6c3/10c3
atlest one girl--.1-(6c3/10c3)
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GRS
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Out of a classroom of 6 boys and 4 girls the teacher picks a 08 Dec 2020, 19:31
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Dear Experts,

I have the same doubt as TGC : as it is not mentioned that one student cannot occupy multiple position, wouldn’t that be a case of 'with replacement’

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GRS
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MBAB123
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Out of a classroom of 6 boys and 4 girls the teacher picks a 09 Dec 2020, 21:24
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GRS
Dear Experts,

I have the same doubt as TGC : as it is not mentioned that one student cannot occupy multiple position, wouldn’t that be a case of 'with replacement’

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GRS
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Hey, I am no expert but it is kind of obvious that the same student won't be the president, the vice president and the sec. I understand your point that it is not mentioned and in some organisations, these 3 positions could be held by the same person (Never heard of vice president and president being the same person). It's probably best to go with the most logical scenario here (its not outside knowledge just being logical). Again,I have no idea about the source of the question so an expert might be better at taking this.
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Out of a classroom of 6 boys and 4 girls the teacher picks a 20 Aug 2025, 12:31
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Hello from the GMAT Club BumpBot!

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