Jamb Mathematics 2000 Past Questions and Answers

Question 11:

• JAMB 2000

The 3rd term of an A.P is 4x - 2y and the 9th term is 10x - 8y. Find the common difference.

A. 19x - 17y
B. 8x - 4y
C. X - y
D. 2x

Question 12:

• JAMB 2000

Find the inverse of p under the binary operation * defined by p*q = p + q - pq, where p and q are real numbers and zero is the identity

A. P
B. P -1
C. P/(p-1)
D. P/(p+1)

Question 13:

• JAMB 2000

Evaluate (1/2 - 1/4 - 1/8 - 1/16 + ...) - 1

A. 2/3
B. Zero
C. -2/3
D. -1

Question 14:

• JAMB 2000

if (x - 1), (x + 1) and (x - 2) are factors of the polynomial ax³ + bx² + cx - 1, find a, b, c in that order.

A. -1/2, 1., 1/2
B. 1/2, 1, 1/2
C. 1/2, 1, -1/2
D. 1/2, -1, 1/2

Question 15:

• JAMB 2000

A trader realizes 10x - x\(^2\) naira profit from the sale of x bags on corn. How many bags will give him the desired profit?

A. 4
B. 5
C. 6
D. 7