Jamb Mathematics 2003 Past Questions and Answers

Question 16:

• JAMB 2003

The length a person can jump is inversely proportional to his weight. If a 20 kg person can jump 1.5 m, find the constant of proportionality

A. 60
B. 30
C. 20
D. 15

Question 17:

• JAMB 2003

Find the value of x and y respectively if 3x - 5y + 5 = 0 and 4x - 7y + 8 = 0

A. -5, -4
B. -4,. -5
C. 4, 5
D. 5, 4

Question 18:

• 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 19:

• 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 20:

• 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)