Jamb Mathematics 1987 Past Questions and Answers

Question 41:

• JAMB 1987

Find the probability of selecting a figure which is a parallelogram from a square, a rectangle, a rhombus, a kite and a trapezium

A. \(\frac{3}{5}\)
B. \(\frac{2}{5}\)
C. \(\frac{4}{5}\)
D. \(\frac{1}{5}\)

Question 42:

• JAMB 1987

An (n - 2)² sided figure has n diagonals. Find the number n diagonals for a 25-sided figure

A. 7
B. 8
C. 9
D. 10

Question 43:

• JAMB 1987

In the diagram, POQ is a diameter, 0 is the centre of the circle and TP is a tangent. Find the value of x

A. 30^o
B. 40^o
C. 45^o
D. 50^o

Question 44:

• JAMB 1987

An (n - 2)² sided figure has n diagonals. Find the number n diagonals for a 25-sided figure

A. 7
B. 8
C. 9
D. 10

Question 45:

• JAMB 1987

In the diagram, POQ is a diameter, 0 is the centre of the circle and TP is a tangent. Find the value of x

A. 30^o
B. 40^o
C. 45^o
D. 50^o