If a 4-member subcommittee is to be formed from a certain 6-member committee, how many different such subcommittee are possible?
Options
A) 6 B) 15 C) 20 D) 60 E) 216
Another way:   1st member can be selected in 6 ways   2nd can be selected in 5 ways   3rd can be selected in 4 ways   4th can be selected in 3 ways   So total ways : 360   15ut to avoid the similar scenarios 360/4!=15   15
<result>B</result>
If a 4-member subcommittee is to be formed from a certain 6-member committee, how many different such subcommittee are possible?