Register

How many combinations can a student answer 5 out of 10 questions?

How many combinations can a student answer 5 out of 10 questions?
asked 129k views
2 votes
How many combinations can a student answer 5 out of 10 questions?

asked
User Tranquil Tarn
by
7.8k points

1 Answer

1 vote


\binom{10}{5}=(10!)/(5!5!) \\ \\ =((10)(9)(8)(7)(6))/(120) \\ \\ =((9)(8)(7)(6))/(12) \\ \\ =((9)(8)(7))/(2) \\ \\ =(9)(4)(7) \\ \\ =\boxed{252}


=\boxed{252}

answered
User Huang Chen
by
8.0k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!