Mathematics Past Questions and Answers

Marks	2	3	4	5	6	7	8	9
No. of students	3	4	1	0	4	5	2	1

The table above shows the distribution of marks of students in a test. Find the probability of passing the test if the pass mark is 5

A 3
5
B 2
5
C 7
20
D 1
5

Question 47:

What value of x will make the function x(4 - x) a maximum?

Question 48:

The histogram above represents the number of candidates that sat for Mathematics examination in a school. How many candidate scored more than 50 marks?

A 80
B 95
C 100
D 115

Question 49:

The cumulative frequency curve above shoes the distribution of the scores of 50 students in an examination. Find the 36th percentile scores

A 18%
B 28%
C 36%
D 50%

Question 50:

Subtract 16418\(_9\) from 18630\(_9\).

A 1121\(_9\)
B 2112\(_9\)
C 2113\(_9\)
D 2211\(_9\)