ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 46:

• JAMB 2017

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

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

Question 47:

• JAMB 2017

Find the sum to infinity of the series
\(\frac{1}{4}\), \(\frac{1}{8}\), \(\frac{1}{16}\),..........

A. \(\frac{1}{2}\)
B. \(\frac{3}{5}\)
C. \(\frac{-1}{5}\)
D. \(\frac{73}{12}\)

Question 48:

• JAMB 2017

Divide 4x3 - 3x + 1 by 2x - 1

A. 2x² -x + 1
B. 2x² - x -1
C. 2x² + x + 1
D. 2x² + x -1

Question 49:

• JAMB 2017

If m * n = [m_n − n_m] for m, n belong to R, evaluate − 3 * 4

A. 3
B. 4
C. 5
D. 6

Question 50:

• JAMB 2017

Make S the subject of the relation
p = s + \(\frac{sm^2}{nr}\)

A. S = \(\frac{nrp}{nr + m^2}\)
B. S = nr + \(\frac{m^2}{mrp}\)
C. S = \(\frac{nrp}{mr}\) + m²
D. S = \(\frac{nrp}{nr}\) + m²