Waec Mathematics Past Questions and Answers

Question 536:

• WAEC 1998

What value of k makes the given expression a perfect square ? m\(^2\) - 8m + k = 0

A. 2
B. 4
C. 8
D. 16
E. 64

Question 537:

• WAEC 1998

If log\(_{10}\) q = 2.7078, what is q?

A. 5102
B. 849.9
C. 510.2
D. 84.99
E. 51.02

Question 538:

• WAEC 1998

Cos x is negative and sin x is negative.Which of the following is true of x?

A. 0^o < x < 90^o
B. 90^o < x o
C. 180^o < x < 270^o
D. 270^o < x o
E. -90^o < x o

Question 539:

• WAEC 1998

Simplify 0.63954 ÷ 0.003 giving your answer correct to two significant figures

A. 213.18
B. 213.00
C. 213
D. 210
E. 21

Question 540:

• WAEC 1998

If log\(_{10}\) a = 4; what is a?

A. 0.4
B. 40
C. 400
D. 1000
E. 10000