A composer’s guild is planning its spring concert, and ten pieces have been submitted for consideration. The director of the guild knows that they will only have time to present four of them. If the pieces can be played in any order, how many combinations of pieces are possible? Select the correct option.
A) 40
B) 210
C) 1090
D) 5040
E) 10000
Combination question..   10C4 = 210..   ANS option 210 is correct..
<result>B</result>
A composer’s guild is planning its spring concert, and ten pieces have been submitted for consideration. The director of the guild knows that they will only have time to present four of them. If the pieces can be played in any order, how many combinations of pieces are possible?