Mathematics 2017 Jamb Past Questions and Answers

Question 41 :

• 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 42 :

• 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 43 :

• 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 + \(\frac{\sqrt{2}}{2}\)

Question 44 :

• JAMB 2017

If y = x Sin x, find \(\frac{dy}{dx}\) when x = \(\frac{\pi}{2}\)

A. \(\frac{- \pi}{2}\)
B. -1
C. 1
D. \(\frac{ \pi}{2}\)

Question 45 :

• JAMB 2017

If temperature t is directly proportional to heat h, and when t = 20oC, h = 50 J, find t when h = 60J

A. 24^oC
B. 20^oC
C. 34^oC
D. 30^oC