Question 1

What is the permutation of n objects taken r at a time?

Accepted Answer

$\frac{n!}{\left(n-r\right)!}$

Answer

$\frac{n!}{\left(n-r\right)!}$

Answer

$\frac{n!}{\left(n-r\right)!}$

Answer

$\frac{n!}{\left(n-r\right)!}$

Question 2

Which of the following is equal to $5!$ ?

Accepted Answer

$\frac{n!}{\left(n-r\right)!}$

Answer

$\frac{n!}{\left(n-r\right)!}$

Answer

$\frac{n!}{\left(n-r\right)!}$

Answer

$\frac{n!}{\left(n-r\right)!}$

Question 3

What is the value of $5!$ ?

Accepted Answer

720

Answer

540

Answer

120

Answer

5,040

Question 4

In the permutation of n objects taken r at a time, is it possible for r to be greater than n?

Accepted Answer

No

Answer

Yes

Question 5

In how many ways can 7 students be arranged in a photograph?

Accepted Answer

5,040

Answer

540

Answer

720

Answer

1,020

Question 6

In how many ways can a president, vice president, secretary, and treasurer be elected from a group of 6 students?

Accepted Answer

360

Answer

280

Answer

120

Answer

24

Question 7

In how many ways can 5 persons be seated at a round table?

Accepted Answer

24

Answer

54

Answer

120

Answer

12

Question 8

What is the value of P(8,4)?

Accepted Answer

1,680

Answer

840

Answer

6,720

Answer

240

Question 9

What is the value of P(10,3)?

Accepted Answer

720

Answer

5,040

Answer

604,800

Answer

3,628,800

Question 10

In how many ways can you arrange the letters of the word "CANNON"?

Accepted Answer

120

Answer

720

Answer

144

Answer

504

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