Waec Mathematics 1996 Past Questions and Answers

Question 36:

• WAEC 1996

Two angles (a + 31) and (b - 49^o) are adjacent angles on a straight line. Which of the following is true

A. A + b = 198^o
B. A + b = 180^o
C. A + b = 162^o
D. A + b = 100^o
E. A + b = 80^o

Question 37:

• WAEC 1996

The trapezium PQRS parallel to SR,∠PQS = 34^o and ∠SPQ = 2 ∠SRQ. Find the size of, SQR

A. 58^o
B. 68^o
C. 78^o
D. 90^o
E. 112^o

Question 38:

• WAEC 1996

In the diagram above, AB, CD and XY are straight lines intersecting at W. Find ∠CWX

A. 20^o
B. 80^o
C. 100^o
D. 120^o
E. 140^o

Question 39:

• WAEC 1996

If sin\(\theta\) cos\(\theta\), for 0^o \(\leq\) θ \(\leq\) 360^o, find the value of \(\theta\)

A. 45^o, 225^o
B. 135^o, 315^o
C. 45^o, 315^o
D. 135^o, 225^o
E. 45^o, 135^o

Question 40:

• WAEC 1996

If tan x = \(2\frac{2}{5}\), find the value of sin x; 0 \(\leq\) x \(\leq\) 90^o

A. 5/13
B. 5/12
C. 144/169
D. 12/13
E. 13/12