Jamb Mathematics Past Questions and Answers

Question 1736:

• JAMB 2004

The nth term of two sequences are Q_n = 3 . 2^{n - 2} and U_m = 3 . 2^{2m - 3}. Find the product of Q₂ and U₂.

A. 18
B. 12
C. 6
D. 3

Question 1737:

• JAMB 2004

Factorize completely ac - 2bc - a + 4b²

A. (a - 2b)(c - a - 2b)
B. (a - 2b)(c + a +2b)
C. (a - 2b)(c - a + 2b)
D. (a - 2b)(c + a - 2b)

Question 1738:

• JAMB 2004

Find the sum to infinity of the series 1/2 , 1/6, 1/18, .....

A. 2/3
B. 1/3
C. 3/4
D. 1

Question 1739:

• JAMB 2004

The length L of a simple pendulum varies directly as the square of its period T. If a pendulum with period 4 sec. is 64 cm long, find the length of pendulum whose period is 9 sec

A. 96 cm
B. 324 cm
C. 36 cm
D. 144 cm

Question 1740:

• JAMB 2004

Three teachers shared a packet of chalk. The first teacher got 2/5 of the chalk and the second teacher received 2/15 of the remainder. What fraction the the third teacher receive?

A. 8/15
B. 11/25
C. 12/25
D. 13/25