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A group of x applicants is to be chosen for a spot on a tele
[#permalink]
10 Oct 2017, 20:19

3

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Question Stats:

A group of x applicants is to be chosen for a spot on a television show. The number of applicants chosen, y, can range from 1 to x. If there are a total of 56 different possible selections for the spot on the television show, which of the following are possible values of y? (Choose all that apply.)

(A) 1

(B) 3

(C) 5

(D) 7

(E) 8

(F) 28

(G) 55

(H) 56

OA:

Kudos for correct solution.

(A) 1

(B) 3

(C) 5

(D) 7

(E) 8

(F) 28

(G) 55

(H) 56

OA:

Show: ::

(A), (B), (C), and (G)

Kudos for correct solution.

Re: A group of x applicants is to be chosen for a spot on a tele
[#permalink]
10 Oct 2017, 21:55

3

Bunuel wrote:

A group of x applicants is to be chosen for a spot on a television show. The number of applicants chosen, y, can range from 1 to x. If there are a total of 56 different possible selections for the spot on the television show, which of the following are possible values of y? (Choose all that apply.)

Now we have xCy = 56

where y= 1 to x

Let us consider the options which are mentioned whose combination equals to 56

56 = 7 * 8 or 14 * 4 or 28 * 2 or 56 * 1

Let x= 56 and y = 1

therefore 56C1 = 56

Let x= 8 and y= 3

therefore 8C3 = 56

Let x= 8 and y= 5

Therefore 8C5 = 56

Let x = 56 and y = 55

Therefore 56C55 = 56

Hence when y= 1 , 3, 5 and 55 then the combination equals to 56

i. e option A, option B, option C and option G

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Re: A group of x applicants is to be chosen for a spot on a tele
[#permalink]
24 Nov 2017, 14:51

Is there a fast way of doing this....I feel like on an actual exam, having to go through the calculations of this will take too much time....Thanks!

Re: A group of x applicants is to be chosen for a spot on a tele
[#permalink]
21 Sep 2020, 04:17

Expert Reply

Bump for further discussions

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Re: A group of x applicants is to be chosen for a spot on a tele
[#permalink]
03 Oct 2021, 00:05

Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.

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