Jamb Mathematics 2011 Past Questions and Answers

Question 16:

• JAMB 2011

T varies inversely as the cube of R. When R = 3, T = \(\frac{2}{81}\), find T when R = 2

A. \(\frac{1}{18}\)
B. \(\frac{1}{12}\)
C. \(\frac{1}{24}\)
D. \(\frac{1}{6}\)

Question 17:

• JAMB 2011

Solve the inequality -6(x + 3) \(\leq\) 4(x - 2)

A. X \(\leq\) 2
B. X \(\geq\) -1
C. X \(\geq\) -2
D. X \(\leq\) -1

Question 18:

• JAMB 2011

Solve the inequality x² + 2x > 15.

A. X < -3 or x > 5
B. -5 < x < 3
C. X < 3 or x > 5
D. X > 3 or x < -5

Question 19:

• JAMB 2011

Find the sum of the first 18 terms of the series 3, 6, 9,..., 36.

A. 505
B. 513
C. 433
D. 635

Question 20:

• JAMB 2011

The seconds term of a geometric series is 4 while the fourth term is 16. Find the sum of the first five terms

A. 60
B. 62
C. 54
D. 64