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20 Dec 2016, 01:30
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79% (00:44) correct
21%
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From a group of three boys and four girls, a school hallway monitor group is to be selected. If the group is to be formed of four girls, how many different such groups can be formed?
A. 1
B. 4
C. 6
D. 18
E. 24
A. 1
B. 4
C. 6
D. 18
E. 24
20 Dec 2016, 04:27
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Omkar Kamat
When The Going Gets Tough, The Tough Gets Going !!
Omkar Kamat
When The Going Gets Tough, The Tough Gets Going !!
07 Mar 2017, 04:49
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Wow, this one was kind of tricky. Why is there only one possibility?
As I understood so far, there must be at least 4 girls in the group. So only the 4 girls is one possible combination. Than we have all the other combinations with the boys included, 1 at a time, only 2 of them, and finally all 3.
As I understood so far, there must be at least 4 girls in the group. So only the 4 girls is one possible combination. Than we have all the other combinations with the boys included, 1 at a time, only 2 of them, and finally all 3.
