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CBSE Class 11-science Answered

among 14 players ,5 are bowlers. In how many ways a team of 11 can be formed with atleast 4 bowlers?
Asked by | 13 Mar, 2015, 06:20: PM
answered-by-expert Expert Answer

begin mathsize 11px style T e a m space o f space 11 space m a y space b e space s e l e c t e d space w i t h space 4 space b o w l e r s space o r space w i t h space 5 space b o w l e r s. S o space n u m b e r space o f space w a y s space equals open parentheses space C presuperscript 9 subscript 7 cross times C presuperscript 5 subscript 4 close parentheses plus open parentheses C presuperscript 9 subscript 6 cross times C presuperscript 5 subscript 5 close parentheses space equals space 180 plus 84 equals 264 end style

Answered by | 13 Mar, 2015, 06:31: PM

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