Waec Mathematics 2017 Past Questions and Answers

Question 6:

• WAEC 2017

If M = {x : 3 \(\leq\) x < 8} and N = {x : 8 < x \(\leq\) 12}, which of the following is true?
i. 8 \(\in\) M \(\cap\) N
ii. 8 \(\in\) M \(\cup\) N
iii. M \(\cap\) N = \(\varnothing\)

A. Iii only
B. I and ii
C. Ii and iii only
D. I, ii and iii

Question 7:

• WAEC 2017

Given that a = log 7 and b = \(\log\) 2, express log 35 in terms of a and b.

A. A + b + 1
B. Ab - 1
C. A - b + 1
D. B - a + 1

Question 8:

• WAEC 2017

If x = \(\frac{2}{3}\) and y = - 6, evaluate xy - \(\frac{y}{x}\)

B. 5
C. 8
D. 9

Question 9:

• WAEC 2017

Solve the equation: \(\frac{1}{5x} + \frac{1}{x}\)= 3

A. \(\frac{1}{5}\)
B. \(\frac{2}{5}\)
C. \(\frac{3}{5}\)
D. \(\frac{4}{5}\)

Question 10:

• WAEC 2017

A sum of N18,100 was shared among 5 boys and 4 girls with each boy taking N20.00 more than each girl. Find a boy's share.

A. N1,820.00
B. 2,000.00
C. N2,020.00
D. N2,040.00