Jamb Mathematics Past Questions and Answers

Question 736:

• JAMB 1983

If w varies inversely as V and U varies directly as w³, Find the relationship between u and v given that u = 1, when v = 2

A. U = \(\frac{8}{v^3}\)
B. V = \(\frac{8}{u^2v^3}\)
C. U = 8v³
D. V = 8u²

Question 737:

• JAMB 1983

Solve the simultaneous equations for x in x² + y - 8 = 0, y + 5x - 2 = 0

A. -28, 7
B. 6, -28
C. 6, -1
D. -1, 7
E. 3, 2

Question 738:

• JAMB 1983

Find the missing value in the following table \(\begin{array}{c|c} x & -2 & -1 & 0 & 1 & 2 & 3 \\ \hline Y = x^3 - x + 3 & & 3 & 3 & 3 & 9 & 27\end{array}\)

A. -3
B. 3
C. -9
D. 13
E. 9

Question 739:

• JAMB 1983

Find the angle of the sectors representing each item in pie chart of the following data 6, 10, 14, 16, 26

A. 15^o, 25^o, 35^o, 40^o, 65^o
B. 60^o, 100^o, 140^o, 160^o, 260^o
C. 6^o, 10^o, 14^o, 16^o, 26^o
D. 30^o, 50^o, 70^o, 80^o, 130^o
E. None of the above

Question 740:

• JAMB 1983

The scores of 16 students in a Mathematics test are 65, 65, 55, 60, 60, 65, 60, 70, 75, 70, 65, 70, 60, 65, 65, 70. What is the sum of the median and modal scores?

A. 125
B. 130
C. 140
D. 150
E. 137.5