Mathematics 2018 Jamb Past Questions and Answers

Question 21 :

• JAMB 2018

The figure below is a Venn diagram showing the elements arranged within sets A,B,C,ε.
Use the figure to answer this question
What is n(A U B)1 ?

A. 2
B. 3
C. 4
D. 7

Question 22 :

• JAMB 2018

What is the loci of a distance 4cm from a given point P?

A. A straight line of length 4cm
B. A circle of radius 4cm
C. Perpendicular to point P at 4cm
D. A circle of diameter 4cm

Question 23 :

• JAMB 2018

Given that Sin (5\(_x\) − 28)\(^o\) = Cos(3\(_x\) − 50)\(^o\), O\(_x\) < 90\(^o\)
Find the value of x

A. 14\(^o\)
B. 21\(^o\)
C. 32\(^o\)
D. 39\(^o\)

Question 24 :

• JAMB 2018

Find the average of the first four prime numbers greater than 10

A. 20
B. 19
C. 17
D. 15

Question 25 :

• JAMB 2018

Evaluate (2√3 - 4) (2√3 + 4)

A. -4
B. -2
C. 2
D. 4