Answer to Question #146451 in Combinatorics | Number Theory for Josh

Question #146451
All the five questions in an examination must be answered by a student. If it is believed that the order in which the questions are answered has impacts on the performance of the student. In how many different orders can the questions be answered
a.120
b.160
c.100
d.140
1
Expert's answer
2020-12-01T01:39:41-0500

The questions can be answered in 5! = 1*2*3*4*5 = 120 orders.

So, the correct answer is a. 120.


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