There are 15 students in a class. For a competition Teacher wants only 10 students to need to join it.What is the possible combinations are there?
Choose the correct choice from the following options:
A) 230
B) 275
C) 300
D) 235
E) 273
The question is out of 15 students, 10 students to be need.   15C10=15!/10!*5!=15*14*13*12*11*10!/10!*5*4*3*2*1=273   Option 273 is answer
<result>E</result>
There are 15 students in a class. For a competition Teacher wants only 10 students to need to join it.What is the possible combinations are there?