Representation of data - Jamb Mathematics Past Questions and Answers

Question 56:

• JAMB 2005

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

Question 57:

• JAMB 2005

The table above shows that the scores of a group of students in a test. If the average score is 3.5, find the value of x

A. 1
B. 2
C. 3
D. 4

Question 58:

• JAMB 2006

The pie chart above shows the expenditure of a family whose income is N30,000. If the expenditure on food is twice that on housing and that on school fees is twice that on transport, how much does the family spend on food?

A. N 28 000
B. N 25 500
C. N15 000
D. N 12 500

Question 59:

• JAMB 2006

The response of 160 pupils in a school asked to indicate their favourite subjects is given in the bar chart above. What percentage of the pupils have English and Health education as the their favourite subjects?

A. 55%
B. 52%
C. 36%
D. 22%

Question 60:

• JAMB 2007

The histogram above represents the weights of students who travelled out to their school for an examination. How many people made the trip?

A. 78
B. 38
C. 29
D. 69