Jamb Mathematics 2005 Past Questions and Answers

Question 11:

• JAMB 2005

If m = 3, p = -3, q = 7 and r = 5/2, evaluate m(p+q+r)

A. 19.50
B. 19.15
C. 18.95
D. 18.05

Question 12:

• JAMB 2005

A polynomial in x whose zeros are -2, -1 and 3 is

A. X³ - 7x + 6
B. X³ + 7x - 6
C. X³ + 7x + 6
D. X³ - 7x - 6

Question 13:

• JAMB 2005

The time taken to do a piece of work is inversely proportional to the number of men employed. If it takes 30 men to do a piece of work in 6 days, how many men are required to do the work in 4 days?

A. 20
B. 35
C. 45
D. 60

Question 14:

• JAMB 2005

The weight W kg of a metal bar varies jointly as its length L meters and the square of its diameter d meters. If w = 140 when d = 4²/₃ and L = 54, find d in terms of W and L.

A. \(\sqrt{\frac{42W}{5L}}\)
B. \(\sqrt{\frac{6L}{42W}}\)
C. \(\frac{42W}{5L}\)
D. \(\frac{5L}{42W}\)

Question 15:

• JAMB 2005

Find the range of values of x for which 7x - 3 > 25 + 3x

A. X >7
B. X
C. X>-7
D. X