Jamb Mathematics Past Questions and Answers

Question 606:

• JAMB 1980

Simplify 10² + log₁₀5

A. 500
B. 2 log₁₀ 5
C. 10
D. 25
E. Log₁₀5 x 10¹⁰⁰

Question 607:

• JAMB 1980

Find the missing numerator \(\frac{5}{x + 1}\) - \(\frac{3}{1 - x}\) - \(\frac{7x - 1}{x^2 - 1}\) = \(\frac{?}{x + 1}\).

A. -1
B. X - 1
C. \(\frac{3(1 - 5x)}{x + 1}\)
D. 1
E. 3(1 - 5x)

Question 608:

• JAMB 1980

The expression x3 - 4x2 + cx + d is such that x + 1 is its factor, and its value is 1 when x is -2. Find c and d.

A. C = 4 and d = -9
B. C = -4 and d = 9
C. C = -20 and d = -15
D. C = 20 and d = -15
E. C = -20 and d = 15

Question 609:

• JAMB 1980

If a function is defined by f(x + 1) = 3x2 - x + 4, Find f(0).

A. 4
B. 6
C. 9
D. 8
E. 2

Question 610:

• JAMB 1980

A cylindrical motor of height 12cm has uniform thickness of 2cm. If the diameter of its outer cross section is 10cm, Find the volume of the constituent material. (take \(\pi\) = \(\frac{22}{7}\)

A. \(\frac{6600}{7}\)cm³
B. 270cm³
C. 660cm³
D. \(\frac{4224}{7}\)cm³
E. \(\frac{1980}{7}\)cm³