Waec Mathematics 1990 Past Questions and Answers

Question 6:

• WAEC 1990

Simplify \(\frac{\log \sqrt{8}}{\log 8}\)

A. 1/3
B. 1/2
C. ¹/₃log√2
D. ¹/₃log√8
E. ¹/₂log√2

Question 7:

• WAEC 1990

Evaluate using the logarithm table, log(0.65)²

A. 1.6258
B. 0.6272
C. 0.6258
D. 3.6258
E. 1.6272

Question 8:

• WAEC 1990

If log x = \(\bar{2}.3675\) and log y = 0.9750, what is the value of x + y? Correct to three significant figures

A. 1.18
B. 1.31
C. 9.03
D. 9.44
E. 9.46

Question 9:

• WAEC 1990

While doing his physics practical, Idowu recorded a reading as 1.12cm instead of 1.21cm. Calculate his percentage error

A. 1.17%
B. 6.38%
C. 7.44%
D. 8.035%
E. 9.00%

Question 10:

• WAEC 1990

Find the 4th term of an A.P, whose first term is 2 and the common difference is 0.5

A. 0.5
B. 2.5
C. 3.5
D. 4
E. 4.5