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Permutations and Combinations Worksheets

Permutations and Combinations Worksheets
  • Page 1
 1.  
A question paper consists of 2 questions with 4 possible answers for each. Find the total number of ways of answering all the questions.
a.
16
b.
16
c.
8
d.
15


Answer: (a)


Correct answer : (1)
 2.  
There are 9 routes from City A to City B and 14 routes from City B to City C. Find the number of different ways for a person to travel from City A to City C via City B.
a.
125
b.
127
c.
23
d.
126


Answer: (d)


Correct answer : (4)
 3.  
In how many ways can 8 players be chosen from 10 players?
a.
65
b.
80
c.
45
d.
90


Answer: (c)


Correct answer : (3)
 4.  
Find the number of 3 element subsets that can be formed from the set {a, b, c, d, e, f, g, h} .
a.
6
b.
56
c.
336
d.
1


Answer: (b)


Correct answer : (2)
 5.  
Find the number of permutations of the elements in the set {S, M, I, L, E}.
a.
5
b.
15
c.
120
d.
110


Answer: (c)


Correct answer : (3)
 6.  
8 girls need to be arranged around a table. Two among them always sit together. In how many ways can they be arranged?
a.
360
b.
1,440
c.
5,040
d.
720


Answer: (b)


Correct answer : (2)
 7.  
In how many ways can 5 different books be arranged on a shelf?
a.
5!
b.
8!
c.
4!
d.
3!


Answer: (a)


Correct answer : (1)
 8.  
Evaluate:
8P3
a.
8 5
b.
56
c.
336
d.
6,720


Answer: (c)


Correct answer : (3)
More Permutations and Combinations Worksheets
Permutations Worksheet Combinations Worksheet
Permutations and Combinations Worksheet Permutation and Combination Word Problems
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