Jamb Mathematics Past Questions and Answers

Question 246:

• JAMB 2018

Evaluate ∫\(^2_1\) \(\frac{5}{x}\) dx

A. 1.47
B. 2.67
C. 3.23
D. 3.47

Question 247:

• JAMB 2018

Simplify 25\(\frac{1}{2}\) x 8\(\frac{-2}{3}\)

A. 1\(\frac{1}{4}\)
B. 2\(\frac{1}{4}\)
C. 6
D. 10

Question 248:

• 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 249:

• 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. \(\frac{1}{20}\)

Question 250:

• JAMB 2017

The curved surface area of a cylinder 5cm high is 110cm². Find the radius of its base
π = \(\frac{22}{7}\)

A. 2.6cm
B. 3.5cm
C. 3.6cm
D. 7.0cm