CBSE Class 12-science Answered
Combinations
Asked by | 30 Nov, 2009, 06:42: PM
Expert Answer
11 players is to chosen out of 16 cricketers of which 4 are bowlers and 2 are wicket keepers
(i) exactly 3 bowlers and one wicket keeper
4C3X2C1X 10C7
(ii") atleast 3 bowlers and atleast 1 wicket keeper
4C3X2C1X 10C7 +4C4X2C1X 10C6 + 4C3X2C2X 10C6 + 4C4X2C2X 10C5
Answered by | 01 Dec, 2009, 11:37: AM
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