Waec Mathematics Past Questions and Answers

Question 1846:

• WAEC 1996

Simplify 56x\(^{-4}\) \(\div\) 14x\(^{-8}\)

A. 2x^-12
B. 3x^-3
C. 4x^-4
D. 4x^-3
E. 4x⁴

Question 1847:

• WAEC 1996

Simplufy Log₁₀4 + Log₁₀25

A. 1
B. 2
C. 3
D. 4
E. 5

Question 1848:

• WAEC 1996

A boy measured the length and breath of a rectangular lawn as 59.6m and 40.3m respectively instead of 60m and 40m. What is the percentage error in his calculation of the perimeter of the lawn?

A. 10%
B. 1.4%
C. 7%
D. 0.2%
E. 0.1%

Question 1849:

• WAEC 1996

Find the 9th term of the arithmetic progression 18, 12, 6, 0, -6 .........

A. -54
B. -30
C. 30
D. 42
E. 66

Question 1850:

• WAEC 1996

Expand (2x - 5)(x - 3)

A. X² - 1x -15
B. 2x² - 11x + 15
C. 2² - 5x - 8
D. X² - 5x - 15
E. 2x² - 6x + 15