Waec Mathematics Past Questions and Answers

Question 1721:

• WAEC 2017

Evaluate \(\frac{3\frac{1}{4} \times 1\frac{3}{5}}{11\frac{1}{3} - 5 \frac{1}{3}}\)

A. \(\frac{14}{15}\)
B. \(\frac{13}{15}\)
C. \(\frac{4}{5}\)
D. \(\frac{11}{15}\)

Question 1722:

• WAEC 2017

The ages of Tunde and Ola are in the ratio 1:2. If the ratio of Ola's age to Musa's age is 4:5, what is the ratio of Tunde's age to Musa's age?

A. 1 : 4
B. 1 : 5
C. 2 : 5
D. 5 : 2

Question 1723:

• 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 1724:

• 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 1725:

• WAEC 2017

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

B. 5
C. 8
D. 9