Permutation And Combination Jamb Mathematics Past Questions
Question 51
Age in years | No of pupils |
---|---|
7 | 4 |
8 | 13 |
9 | 30 |
10 | 44 |
11 | 9 |
The table above shows the number of pupils in a class with respect to their ages. If a pie chart is constructed to represent the age, the angle corresponding to 8 years old is
- A. 48.6°
- B. 56.3°
- C. 46.8°
- D. 13°
Question 52
In a committee of 5, which must be selected from 4 males and 3 females. In how many ways can the members be chosen if it were to include 2 females?
- A. 144 ways
- B. 15 ways
- C. 185 ways
- D. 12 ways
Question 53
In how many ways can the letter of ZOOLOGY be arranged?
- A. 720
- B. 360
- C. 840
- D. 120
Question 54
Evaluate \(^{n^2 + 1}\)C\(_{n+5}\) if n = 3
- A. 55
- B. 45
- C. 35
- D. 25