Download - Perm And Comb Review Answers
Permutation and Combination review answers
Calculators are not allowed for this part of the test. Each question is worth one mark.
MULTIPLE CHOICE:
Permutations, Combinations, and Binomial Expansion
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.If all the following letters S L E U F I D F are used, how many 8 letter arrangements are possible?
d.7! 2!7!2!
2!8!2!8!a. b. c.
14.In the binomial expansion of (3x + 2)8, the last term is:
228 20c. d.b.a. . 283
15.
5!
If there are 3 identical red books and 4 identical green books on a shelf, how many arrangements are possible keeping all the red books together?
b. c.a. d. 3!4!5!4!
7!3!4!
16.
17.
18.
SHORT ANSWER:
Calculators are not allowed for this part of the test. Each question is worth one mark.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
LONG ANSWER: Calculators are not allowed for this part of the test. Marks are indicated for each question.
1.
2.
3.
LONG ANSWER: Calculators are allowed for this part of the test. Marks are indicated for each question. 1.
2.
3.
4.
5.
5.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.