Jamb Mathematics Past Questions and Answers

Question 196:

• 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 197:

• 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 198:

• JAMB 2017

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

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

Question 199:

• JAMB 2017

If two graphs Y = px² + q and y = 2x² − 1 intersect at x =2, find the value of p in terms of q

A. Q \(\frac{8}{7}\)
B. 7 \(\frac{q}{4}\)
C. 8 \(\frac{q}{2}\)
D. 7 + \(\frac{q}{8}\)

Question 200:

• JAMB 2017

Evaluate (\(\sin\)45^o + \(\sin\)30^o ) in surd form

A. \(\frac{\sqrt{3}}{2\sqrt{2}}\)
B. \(\frac{1}{2}\)
C. \(\frac{1}{2}\)√2
D. 1 + \(\frac{\sqrt{2}}{2}\)