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Scoretop 22 - Question 5

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Senior | Next Rank: 100 Posts
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by akay » Tue Sep 18, 2007 8:00 pm
A certain club has 20 members. What is the ratio of the member of 5-member committees that can be formed from the members of the club to the number of 4-member committees that can be formed from the members of the club?

A. 16 to 1
B. 15 to 1
C. 16 to 5
D. 15 to 6
E. 5 to 4

I am quite close I think by using 20 C 5 / 20 C 4. Is this right?
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by kajcha » Wed Sep 19, 2007 2:46 am
Yeah that's correct... should be C
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by niks_01.27 » Thu Sep 20, 2007 7:18 pm
Though I have a silly way of solving it, but I think the answer should be E. akay, what is the answer?
regards
niks...
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by singhran » Fri Sep 21, 2007 7:08 am
whats the answer buddy???
Ranveer
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by camitava » Sat Sep 22, 2007 12:58 am
A certain club has 20 members. What is the ratio of the member of 5-member committees that can be formed from the members of the club to the number of 4-member committees that can be formed from the members of the club?

A. 16 to 1
B. 15 to 1
C. 16 to 5
D. 15 to 6
E. 5 to 4

I am quite close I think by using 20 C 5 / 20 C 4. Is this right?
Akay, I am agree with u! It should be 20C5/20C4. So the answer should be C. I think this the only way to solve the prob! :oops: But Akay, it does not include any calculation as almost all the digits are getting cancelled by one another.
Correct me If I am wrong


Regards,

Amitava
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