A test is administered with 15 questions. Students are allowed to answer any ten. How many different choices of ten questions are there? 150 250 3000 3003

Question

asked Jan 20, 2021 25.8k views

1 Answer

Xtroce · Answer 1 · 2021-01-24T03:15:15+0000

Answer:

3003

Explanation:

This is a combination since the order doesn't matter

15 C 10

The formula

15!

-------

10! (15-10)!

15*14*13*12*11

--------------------

5*4*3*2*1

3003