In how many ways can a committee of 5 people be formed, such that it contains at least 1 social worker?
5440
2380
6804
6488
None of these
Number of ways in which a committee of 5 people which contains at least 1 social worker can be formed = 2C1∗16C4+2C2∗16C3=6488
In how many ways can a committee of 5 people which contains at least 1 clerk be formed?
In how many ways can a committee of 5 people which contains only teachers be formed?
From 8 gentlemen and 5 ladies a committee of 6 is to be formed. In how many ways can this be done so that the committee contains at least 3 ladies?