Jamb Mathematics 2009 Past Questions and Answers

Question 46:

• JAMB 2009

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:

• JAMB 2009

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

A. 4
B. 3
C. 2
D. 1

Question 48:

• JAMB 2009

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:

• JAMB 2009

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:

• JAMB 2009

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

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