Jamb Mathematics 2018 Past Questions and Answers

Question 61:

• JAMB 2018

A machine valued at N20,000 depreciates by 10% every year. What will be the value of the machine at the end of two years?

A. N16,200
B. N14,200
C. N12,000
D. N8,000

Question 62:

• JAMB 2018

The table shown gives the marks scored by a group of student in a test.
Use the table to answer the question given.

Mark	0	1	2	3	4	5
Frequency	1	2	7	5	4	3

What is the median mark?

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

Question 63:

• JAMB 2018

The table shown gives the marks scored by a group of student in a test.
Use the table to answer the question given.

Mark	0	1	2	3	4	5
Frequency	1	2	7	5	4	3

What is the probability of selecting a student from the group that scored 2 or 3

A. \(\frac{1}{11}\)
B. \(\frac{5}{22}\)
C. \(\frac{7}{22}\)
D. \(\frac{6}{11}\)

Question 64:

• JAMB 2018

Find the values of x for which
\(\frac {x+2}{4}\) - \(\frac{2x - 3}{3}\) < 4

A. X < 8
B. X > -6
C. X < 4
D. X > -3

Question 65:

• JAMB 2018

A trader realises 10x - x\(^2\) Naira profit from the sale of x bags of corn. How many bags will give him the maximum profit?

A. 7
B. 6
C. 5
D. 4