Representation of data - Jamb Mathematics Past Questions and Answers

Question 81:

• JAMB 2020

The goals scored by 40 football teams from three league divisions are recorded below

No of goals	0	1	2	3	4	5	6
Frequency	4	3	15	16	1	0	1

What is the total number of goals scored by all the teams?

A. 21
B. 40
C. 91
D. 96

Question 82:

• JAMB 2020

In a class of 150 students, the sector in a pie chart representing the students offering physics has angle 12\(^o\). How many students are offering physics?

A. 18
B. 15
C. 10
D. 5

Question 83:

• JAMB 2020

In preparing rice cutlets, a cook used 75g of rice, 40g of margarine, 105g of meat and 20g of bread crumbs. Find the angle of the sector which represent meat in a pie chart?

A. 30\(^o\)
B. 60\(^o\)
C. 112.5\(^o\)
D. 157.5\(^o\)

Question 84:

• JAMB 2020

The pie chart shows the income of a civil servant in month. If his monthly income is N6,000. Find his monthly basic salary.

A. N2,050
B. N2600
C. N3,100
D. N3,450

Question 85:

• JAMB 2021

4, 16, 30, 20, 10, 14 and 26 are represented on a pie chart. Find the sum of the angles of the bisectors representing all numbers equals to or greater than 16

A. 48^o
B. 84^o
C. 92^o
D. 276^o