Mathematics Past Questions and Answers

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 7:

The table above shows the number of pupils in each age group in a class. What is the probability that a pupil chosen at random is at least 11 years old?

A ²⁷/₄₀
B ¹⁷/₂₀
C ³/₃₀
D ³³/₄₀

Question 8:

What is the mean deviation of 3, 5, 8, 11, 12 and 21?

A 4.7
B 60
C 3.7
D 10

Question 9:

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 10:

In how many ways can 6 subjects be selected from 10 subjects for an examination

A 218
B 216
C 215
D 210