From 6 men and 4 ladies, a committee of 5 is to be formed. In how many ways can this be done, if the committee is to include at least one lady?

From 6 men and 4 ladies, a committee of 5 is to be formed. In how m

1.	From 6 men and 4 ladies, a committee of 5 is to be formed. In how many ways can this be done, if the committee is to include at least one lady?
A.	246
B.	340
C.	290
D.	315
Answer» B. 340