Jamb Mathematics Past Questions and Answers

Question 206:

• JAMB 2019

Age in years	7	8	9	10	11
No of pupils	4	13	30	44	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 207:

• JAMB 2019

Age in years	7	8	9	10	11
No of pupils	4	13	30	44	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 208:

• JAMB 2019

Score (x)	0	1	2	3	4	5	6
Freq (f)	5	7	3	7	11	6	7

Find the mean of the data.


A. 3.26
B. 4.91
C. 6.57
D. 3.0

Question 209:

• JAMB 2019

Score (x)	0	1	2	3	4	5	6
Freq (f)	5	7	3	7	11	6	7

Find the variance


A. 3.42
B. 4.69
C. 4.85
D. 3.72

Question 210:

• JAMB 2019

The marks scored by 30 students in a Mathematics test are recorded in the table below:

Scores (Mark)	0	1	2	3	4	5
No of students	4	3	7	8	6	2

What is the total number of marks scored by the children?


A. 82
B. 15
C. 63
D. 75