Counting Principle and Permutations, Quiz

A student has

4

shirts,

3

pairs of trousers and

2

pairs of shoes. How many different outfits can be made?

A

18

B

12

C

9

D

24

In how many ways can first, second and third prizes go to

3

of

7

runners?

A

21

B

35

C

210

D

343

Evaluate

\displaystyle \dfrac{10!}{8!}

.

A

2

B

90

C

45

D

80

How many distinct arrangements are there of the letters of BANANA?

A

60

B

720

C

120

D

360

How many

3

-digit odd numbers can be formed from

2, 3, 4, 6, 8

without repeating a digit?

A

12

B

24

C

60

D

48

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