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Q.

A cricket team of eleven players is to be selected out 6 batsmen, 5 bowlers, 2 all-rounders and 3 wicket keepers. Consider an all-rounder as a player who is a batsman as well as a blower.


The number selection containing exactly one wicket and at least one all-rounder is:


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a

C122C911+C811

b

C12×C92×C911

c

C12C312+C311

d

C14×C911 

answer is A.

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Detailed Solution

In a cricket team total players =11
In a cricket team total batsman =6
In a cricket team total bowlers =5
In a cricket team total all rounder =2
In a cricket team total wicket keepers =2
Case 1:
When one all-rounder and one wicket keeper, C12×C12×C911
Case 2:
When two all- rounder and one wicket keeper C22×C12×C811
Total ways = C12×C12×C911 + C22×C12×C811 = C12×C12×C911+C22×C811=C12×2C911+C811
 
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