Pie chart - Jamb Mathematics Past Questions and Answers

Question 11:

• JAMB 1983

In a class of 60 pupils, the statistical distribution of the numbers of pupils offering Biology, History, French, Geography and Additional mathematics is as shown in the pie chart. How many pupils offer Additional Mathematics?

A. 15
B. 10
C. 18
D. 12
E. 20

Question 12:

• JAMB 1984

The cost of production of an article is made up as follows: Labour N70, Power N15, Materials N30, Miscellaneous N5. Find the angle of the sector representing Labour in a pie chart

A. 210^o
B. 105^o
C. 105^o
D. 175^o
E. 90^o

Question 13:

• JAMB 1985

In a class of 120 students, 18 of them scored an A grade in mathematics. If the section representing the A grade students on a pie chart has angle Z^o at the centre of the circle, what is Z?

A. 15
B. 27
C. 50
D. 52
E. 54

Question 14:

• JAMB 1987

Taking the period of day light on a certain day to be from 5.30a.m to 7.00p.m. Calculate the angle of a pie chart designed to show the periods of the day light and of darkness on that day

A. 187^o30'
B. 172^o30'
C. 135^o225^o
D. 202^o30' 157^o 30'

Question 15:

• JAMB 1989

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 represents meat in pie chart

A. 30^o
B. 60^o
C. 112.5^o
D. 157.5^o