Representation of data - Jamb Mathematics Past Questions and Answers

Question 61:

• JAMB 2007

The pie chart above illustrate the amount of private time a student spends in a week studying various subjects. Find the value of k

A. 90^o
B. 60^o
C. 30^o
D. 40^o

Question 62:

• JAMB 2007

Marks	3	4	5	6	7	8
Frequency	5	y - 1	y	9	4	1

The table above gives the frequency distribution of marks obtained by a group of students in a test. If the total mark scored is 200, calculate the value of y

A. 15
B. 13
C. 11
D. 8

Question 63:

• JAMB 2008

On a pie chart there are six sectors of which four angles are 30°, 45°, 60°, 90° and the remaining two angles are in the ratio 2:1. Find the smallest angles of the remaining two angles.

A. 15^o
B. 30^o
C. 45^o
D. 60^o

Question 64:

• JAMB 2008

The bar chart above shows the number of times the word a, and , in, it, the , to appear in a paragraph in a book. What is the ratio of the least frequent word?

A. ¹/₄
B. ¹/₃
C. ²/₃
D. ³/₄

Question 65:

• JAMB 2009

No. of Days	1	2	3	4	5	6
No. of students	20	2x	60	40	x	50

The distribution above shows the number of days a group of 260 students were absent from school in a particular term. How many students were absent for t least four days in the term

A. 180
B. 120
C. 110
D. 40