Jamb Mathematics 1983 Past Questions and Answers

Question 46:

• JAMB 1983

The farm yield of four crops on a piece of land in Ondo are represented on the pie chart. what is the angle of the sector occupies by Okro in the chart?

A. 11^o
B. 19\(\frac{1}{3}\)^o
C. 33\(\frac{1}{3}\)^o
D. 91\(\frac{1}{3}\)^o
E. 91^o

Question 47:

• JAMB 1983

In the figure, PQR is a straight line. Find the values of x and y

A. X = 22.5^o, y = 33.75^o
B. X = 15^o, y = 52.5^o
C. X = 22.5^o, y = 45.0^o
D. X = 56.25^o, y = 11.5^o

Question 48:

• JAMB 1983

In the diagram, if PS = SR and PQ||SQ, what is the size of PQR?

A. 25^o
B. 50^o
C. 55^o
D. 65^o
E. 75^o