Mathematics 2017 Jamb Past Questions and Answers

Question 36 :

• JAMB 2017

Given the quadrilateral RSTO inscribed in the circle with O as centre. Find the size angle x and given RST = 60^o

A. 100^o
B. 140^o
C. 120^o
D. 10^o

Question 37 :

• JAMB 2017

Find the sum of the range and the mode of the set of numbers 10, 9, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 7, 10, 6, 5

A. 16
B. 14
C. 12
D. 10

Question 38 :

• JAMB 2017

Given T = { even numbers from 1 to 12 }
N = {common factors of 6, 8 and 12}
Find T ∩ N

A. {2, 3}
B. {2, 3, 4}
C. {3, 4, 6}
D. {2}

Question 39 :

• JAMB 2017

What is the next number in the series 2, 1, \(\frac{1}{2}\), \(\frac{1}{4}\)...

A. \(\frac{1}{3}\)
B. \(\frac{2}{8}\)
C. \(\frac{3}{7}\)
D. \(\frac{1}{8}\)

Question 40 :

• JAMB 2017

If U = {x : x is an integer and 1 ≤ x ≤ 20 }
E1 = {x: x is a multiple of 3}
E2 = {x: x is a multiple of 4} and an integer is picked at random from U, find the probability that it is not in E2

A. \(\frac{3}{4}\)
B. \(\frac{3}{10}\)
C. \(\frac{1}{4}\)
D. \(\frac{1}{20}\)