Waec Mathematics Past Questions and Answers

Question 1301:

• WAEC 2010

\(\begin{array}{c|c} \text{No. of pets} & 0 & 1 & 2 & 3 & 4 \\ \hline \text{No. of students} & 8 & 4 & 5 & 10 & 3\end{array}\) The table shows the number of pets kept by 30 students in a class. If a student is picked at random ftom the class. What is the probability that he/she kept more than one pet?

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

Question 1302:

• WAEC 2010

Simplify 2\(\sqrt{3}\) - \(\frac{6}{\sqrt{3}} + \frac{3}{\sqrt{27}}\)

A. 1
B. \(\frac{1}{3}\sqrt{3}\)
C. 2\(\sqrt{3} - 5\frac{2}{3}\)
D. 6\(\sqrt{3}\) - 17

Question 1303:

• WAEC 2010

If sin 3y = cos 2y and 0^o \(\leq\) 90^o, find the value of y

A. 18^o
B. 36^o
C. 54^o
D. 90^o

Question 1304:

• WAEC 2010

A rectangle has length xcm and width (x - 1)cm. If the perimeter is 16cm. Find the value of x

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

Question 1305:

• WAEC 2010

Given that tan x = 1, where 0^o \(\geq\) x 90^o, evaluate \(\frac{1 - \sin^2 x}{\cos x}\)

A. 2\(\sqrt{2}\)
B. \(\sqrt{2}\)
C. \(\frac{\sqrt{2}}{2}\)
D. \(\frac{1}{2}\)