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Given that there are 5 basketball players per team, how many ways can
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02 Jun 2016, 03:37

2

6

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A

B

C

D

E

Difficulty:

45% (medium)

Question Stats:

64% (01:06) correct 36% (01:23) wrong based on 148 sessions

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Given that there are 5 basketball players per team, how many ways can you select 2 basketball players from 3 teams if no more than one player can be selected from each team?

Re: Given that there are 5 basketball players per team, how many ways can
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02 Jun 2016, 03:44

2

Bunuel wrote:

Given that there are 5 basketball players per team, how many ways can you select 2 basketball players from 3 teams if no more than one player can be selected from each team?

(A) 15 (B) 30 (C) 60 (D) 75 (E) 90

First select 2 group out of available 3 groups. This cane be done in 3C2 ways = 3 ways

Now from each group we have to select one person only: 5C1 * 5C1= 5 * 5 = 25

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02 Jun 2016, 05:29

Bunuel wrote:

Given that there are 5 basketball players per team, how many ways can you select 2 basketball players from 3 teams if no more than one player can be selected from each team?

(A) 15 (B) 30 (C) 60 (D) 75 (E) 90

ways to select 2 out of 3= 3

ways to select 1 player from 2 teams= 5*5

Total ways to select 1 player from 2 teams out of 3= 5*5*3= 75

D should be the answer
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Re: Given that there are 5 basketball players per team, how many ways can
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05 Aug 2016, 13:27

2 teams can be selected from 3 teams in 3C2 ways = 3 ways as the condition is that the 2 players should be from different teams one player can be chosen from 1st team in 5 ways similarly another player can be chosen from 2nd team in 5 ways Total number of ways to choose the player = 5 * 5 * 3 = 75 ways Correct Answer - D

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05 Aug 2016, 16:39

Hi All,

If you're not comfortable with the traditional math approach to this question, you can still use 'brute force' to get to the answer rather easily.

Since we have 3 teams of 5 players each, I'm going to refer to the 3 teams of players as...

12345 ABCDE VWXYZ

We're told that we have to pick 2 players and that we CANNOT pick them from the SAME team.

Each of the players from 12345 can be paired up with any of the players from ABCDE or VWXYZ. That's a total of 10 options per player from 12345...

(10)(5) = 50 options

Next, we can consider ABCDE. Since each of those players has already been paired up with each of the players on 12345, we don't have to consider those options. We just have to consider pairing each of the players on ABCDE with each of the players on VWXYZ. That's 5 players with 5 different pairings each:

(5)(5) = 25 additional options.

Finally, all of the players from VWXYZ have already been paired up with all of the players from 12345 and ABCDE, so there's no other options left.

Re: Given that there are 5 basketball players per team, how many ways can
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19 Nov 2018, 08:09

1

Top Contributor

Bunuel wrote:

Given that there are 5 basketball players per team, how many ways can you select 2 basketball players from 3 teams if no more than one player can be selected from each team?

(A) 15 (B) 30 (C) 60 (D) 75 (E) 90

A slightly different approach....

Since we're not selecting any players from one of the teams, let's "throw out" one team and then select one player from each of the remaining 2 teams.

So, take the task of selecting 2 players and break it into stages.

Stage 1: "Throw out" one team There are 3 teams to choose from, so we can complete stage 1 in 3 ways

Stage 2: Select a player from one team There are 5 players per team, so we can complete stage 2 in 5 ways

Stage 3: Select a player from the other team There are 5 players per team, so we can complete stage 3 in 5 ways

By the Fundamental Counting Principle (FCP), we can complete all 3 stages (and thus select 2 players) in (3)(5)(5) ways (= 75 ways)

Answer: D

Note: the FCP can be used to solve the MAJORITY of counting questions on the GMAT. So, be sure to learn it.

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