ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 421:

• JAMB 2003

Three consecutive terms of a geometric progression are given as n-2, n and n+3. Find the common ratio

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

Question 422:

• JAMB 2003

Triangle OPQ above is the solution of the inequalities

A. X + 1 ≥ 0, y + x ≤ 0, y - x ≥ 0
B. Y + x ≤ 0, y - x ≥ 0, x -1 ≥ 0
C. X - 1 ≤ 0, y - x ≥ o, y + x ≥ 0
D. X - 1 ≤ 0, y + x ≤ 0, y - x ≤ 0

Question 423:

• JAMB 2003

Factorize completely 4abx - 2axy -12b²x + 6bxy

A. 2x(a - 3b)(2b - y)
B. 2x(3b - a)(2b - y)
C. 2x(a - 3b)(y - 2b)
D. 2x(2b - a)(3b - y)

Question 424:

• JAMB 2003

The sum of the first n terms of an arithmetic progresssion is 252. If the first term is -16 and the last term is 72, find the number of terms in the series

A. 6
B. 7
C. 8
D. 9

Question 425:

• JAMB 2003

Triangle OPQ is the solution of the inequalities

A. X - 1 < 0, y + \(\geq\) 0, y - x \(\geq\) 0
B. X + 1 \(\leq\) 0, y + x \(\geq\) 0, y - x \(\leq\) 0
C. X - 1 \(\geq\) 0, y - x \(\geq\) 0, y + x \(\geq\) 0
D. Y + x \(\geq\) 0, y - x \(\leq\) 0