Jamb Mathematics 1979 Past Questions and Answers

Question 56:

• JAMB 1979

If O is the centre of the circle, < POS equls

A. 70^o
B. 75^o
C. 105^o
D. 140^o
E. 150^o

Question 57:

• JAMB 1979

In the figure, PQ and QR are chords of the circle PQR. QRS is a straight line and PR is equal to RS, < PSR is 20^o. What is the size of

A. 70^o
B. 90^o
C. 80^o
D. 40^o
E. 60^o

Question 58:

• JAMB 1979

In the figure, PQ is parallel to SQ ; QS bisets < PSQ, < PQS is 65^o and < RPS is 20^o. What is the size of < PRS?

A. 45^o
B. 35^o
C. 40^o
D. 30^o
E. 42^o

Question 59:

• JAMB 1979

(Numbers indicate the lengths of the sides of the triangles) If the area of $△$ PQR is k2sq. units what is the area of the shades portion?

A. $\frac{5}{9}$k² sq. units
B. $\frac{1}{3}$k² sq. units
C. $\frac{8}{9}$k² sq. units
D. $\frac{7}{9}$k² sq. units
E. $\frac{2}{3}$k² sq. u

Question 60:

• JAMB 1979

In the parallelogram PQRS, PE is perpendicular to QR. Find the area of the parallelogram.

A. 60cm²
B. 65cm²
C. 72cm²
D. 144cm²
E. 156cm²