Representation of data - Jamb Mathematics Past Questions and Answers

Question 51:

• JAMB 2003

On a pie chart, there are four sectors of which three angles are 45°, 90° and 135°. If the smallest sector represents N28.00, how much is the largest sector?

A. N96.00
B. N84.00
C. N48.00
D. N42.00

Question 52:

• JAMB 2003

The histogram above shows the ages of the victims of a pollution. How many people were involved in the pollution?

A. 15
B. 18
C. 20
D. 21

Question 53:

• JAMB 2004

The pie chart above shows the distribution of the crops harvested from a farmland in a year. If 3000 tonnes of millet is harvested, what amount of beans is harvested

A. 6000 tonnes
B. 1500 tonnes
C. 1200 tonnes
D. 9000 tonnes

Question 54:

• JAMB 2004

I. Rectangular bars of equal width
II. The height of each rectangular bar is proportional to the frequency of the corresponding class interval.
III. Rectangular bars have common sides with no gaps in between
A histogram is described completely by

A. I, II and III
B. I and II
C. II and III
D. I and III

Question 55:

• JAMB 2005

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