Waec Mathematics Past Questions For Year 2017
Question 21
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 22
If x varies inversely as y and y varies directly as z, what is the relationship between x and z?
- A. x \(\alpha\) z
- B. x \(\alpha\) \(\frac{1}{z}\)
- C. a \(\alpha\) z\(^2\)
- D. x \(\alpha\) \(\frac{1}{z^2}\)
Question 23
Express 0.0000407, correct to 2 significant figures
- A. 0.0
- B. 0.00004
- C. 0.000041
- D. 0.0000407
Question 24
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
Question 25
Solve the equation: \(\frac{1}{5x} + \frac{1}{x}\)= 3
- A. \(\frac{1}{5}\)
- B. \(\frac{2}{5}\)
- C. \(\frac{3}{5}\)
- D. \(\frac{4}{5}\)
