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In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, an

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In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, an  [#permalink]

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New post Updated on: 13 Aug 2018, 07:06
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Fool-proof method to Differentiate between Permutation & Combination Questions - Exercise Question #1


In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, and 1 wicketkeeper and 1 all-rounder can be selected from the pool of 7 batsmen, 6 bowlers, 3 wicketkeepers and 3 allrounders.

Options
A. 567
B. 1420
C. 2256
D. 2835
E. 5670


Learn to use the Keyword Approach in Solving PnC question from the following article:


Article-1: Learn when to “Add” and “Multiply” in Permutation & Combination questions

Article-2: Fool-proof method to Differentiate between Permutation & Combination Questions

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Originally posted by EgmatQuantExpert on 11 Apr 2018, 23:06.
Last edited by EgmatQuantExpert on 13 Aug 2018, 07:06, edited 4 times in total.
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Re: In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, an  [#permalink]

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New post Updated on: 17 Apr 2018, 08:47

Solution



Given:

    • We need to select a cricket team i.e. 11 players
      o We need to select 5 batsmen from 7 batsmen and,
      o We need to select 4 bowlers from 6 bowlers and,
      o We need to select 1 wicket keeper from 3 wicket keepers and,
      o We need to select 1 all-rounder from 3 all-rounders.


To find:
• The number of ways we can from a cricket team out of 7 batsmen, 6 bowlers, 3 allrounders and 3 wicketkeepers available.

Approach and Working:

Since we need to select 5 batsmen, 4 bowlers, and 1 wicket keeper and 1 all-rounder in the cricket team,
    • Hence, number of ways to form the cricket team= ways to select 5 batsmen from 7 batsmen* ways to select 4 bowlers from 6 bowlers * ways to select 1 wicket keeper from 3 wicket keepers * ways to select 1 all-rounder from 3 all-rounders

    • Thus, total ways= \(^7c_5\)*\(^6c_4\)*\(^3c_1\)*\(^3c_1\)

    • =21*15*3*3= 2835

Hence, in 2835 ways we can select a cricket team.

Hence, option D is the correct answer.

Answer: D
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Originally posted by EgmatQuantExpert on 11 Apr 2018, 23:19.
Last edited by EgmatQuantExpert on 17 Apr 2018, 08:47, edited 1 time in total.
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Re: In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, an  [#permalink]

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New post 11 Apr 2018, 23:46
EgmatQuantExpert wrote:
Learn structured approach to identify permutation and combination question - Exercise Question #1


In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, and 1 wicketkeeper and 1 all-rounder can be selected from the pool of 7 batsmen, 6 bowlers, 3 wicketkeepers and 3 allrounders.

Options
A. 567
B. 1420
C. 2256
D. 2835
E. 5670


7C5 * 6C4 * 3C1 * 3C1 = 7!/(2!5!) * 6!/(2!4!) * 3!/(2!1!) * 3!/(2!1!) = 21*15*3*3 = 2835 --> D

imo, answer is option D.
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Re: In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, an  [#permalink]

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New post 12 Apr 2018, 09:47
EgmatQuantExpert wrote:
Learn structured approach to identify permutation and combination question - Exercise Question #1


In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, and 1 wicketkeeper and 1 all-rounder can be selected from the pool of 7 batsmen, 6 bowlers, 3 wicketkeepers and 3 allrounders.

Options
A. 567
B. 1420
C. 2256
D. 2835
E. 5670


Learn to use the Keyword Approach in Solving PnC question from the following article:


Article-1: Learn when to “Add” and “Multiply” in Permutation & Combination questions

Article-2: Learn structured approach to identify Permutation & Combination questions


A simple PS question where one has to choose 5 batsman from 7 batsman, 4 bowlers out of 6 bowlers, 1 wicket keeper out of 3 wicket keepers and 1 all rounder from 3 allrounders. So according to combinations principles, the number of ways we can choose r items from n items is found out as nCr which equals to n!/((n-r)!*r!). So here the solution is , 7C5*6C4*3C1*3C1 = 2835 (D)
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Re: In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, an  [#permalink]

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New post 17 Apr 2018, 09:01
Hey everyone,

The official solution to the question has been posted. :-)

Regards,
Ashutosh
e-GMAT
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Must Read Articles
Number Properties – Even Odd | LCM GCD
Word Problems – Percentage 1 | Percentage 2 | Time and Work 1 | Time and Work 2 | Time, Speed and Distance 1 | Time, Speed and Distance 2
Advanced Topics- Permutation and Combination 1 | Permutation and Combination 2 | Permutation and Combination 3 | Probability
Geometry- Triangles 1 | Triangles 2 | Triangles 3 | Common Mistakes in Geometry
Algebra- Wavy line

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Re: In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, an  [#permalink]

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New post 23 Apr 2018, 21:09
It's a simple question of selection for which we use combination formula

7C5*6C4*3C1*3C1

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Re: In how many ways a cricket team consisting of 5 batsmen, 4 bowlers, an &nbs [#permalink] 23 Apr 2018, 21:09
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