Question
Question: There are 13 players of cricket out of which 4 are bowlers. In how many ways a team of eleven be sel...
There are 13 players of cricket out of which 4 are bowlers. In how many ways a team of eleven be selected from them so as to include at least two bowlers?
A
72
B
78
C
42
D
None of these
Answer
78
Explanation
Solution
Team of eleven may be selected
(i) 2 bowlers + 9 others
(ii) 3 bowlers + 8 others
(iii) 4 bowlers + 7 others
= (4C2 × 9C9) + (4C3 × 9C8) + (4C4 × 9C7) ̃ 78