Statistic Jamb Mathematics Past Questions
Question 1
The acres for rice, pineapple, cassava, cocoa, and palm oil in a certain district are given respectively as 2, 5, 3, 11, and 9. What is the angle sector for cassava in a pie chart?
- A. 108°
- B. 180°
- C. 36°
- D. 60°
Question 2
A cinema hall contains a certain number of people. If 22\(\frac{1}{2}\)% are children, 47\(\frac{1}{2}\)% are men and 84 are women, find the number of men in the hall.
- A. 63
- B. 84
- C. 113
- D. 133
Question 3
The mean age of a group of students is 15 years. When the age of a teacher, 45 years old, is added to the age of the students, the mean of their ages becomes 18 years. Find the number of the students in the group
- A. 9
- B. 7
- C. 42
- D. 15
Question 4
The histogram above shows the distribution of monthly incomes of the workers in a company. How many workers earn more than N700.00?
- A. 16
- B. 12
- C. 8
- D. 6
Question 5
The grades of 36 students in a test are shown in the pie chart above. How many students had excellent?
- A. 7
- B. 8
- C. 9
- D. 12
