Permutations, combinations and probability

Written by Hassan Raza (Mathematics)

Class 11 · Mathematics · 8 questions

Name: ____________________ Date: ____________

What is 5 factorial?
- A 60
- B 120
- C 720
- D 25
How many ways can 3 books be arranged on a shelf?
- A 3
- B 12
- C 6
- D 9
What is 5C2?
- A 10
- B 5
- C 25
- D 20
A die is thrown once. The probability of an even number is:
- A 1/3
- B 2/3
- C 1/2
- D 1/6
The number of arrangements of the letters of the word MOON is:
- A 12
- B 6
- C 24
- D 4
The value of 6P2 is:
- A 15
- B 12
- C 36
- D 30
The number of ways of choosing 2 people from 4 is:
- A 8
- B 6
- C 12
- D 4
A coin is tossed twice. The probability of two heads is:
- A 1/4
- B 1/8
- C 1/2
- D 3/4

Answer key

1. B, 2. C, 3. A, 4. C, 5. A, 6. D, 7. B, 8. A