Mathematics 2017 Waec Past Questions and Answers

Question 1 :

• WAEC 2017

Express 0.0000407, correct to 2 significant figures

A. 0.0
B. 0.00004
C. 0.000041
D. 0.0000407

Question 2 :

• WAEC 2017

Express 0.0000407, correct to 2 significant figures

A. 0.0
B. 0.00004
C. 0.000041
D. 0.0000407

Question 3 :

• WAEC 2017

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 4 :

• 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 5 :

• 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