Waec Mathematics 2007 Past Questions and Answers

Question 46:

• WAEC 2007

A messenger was paid N2.50 an hour during the normal working hours and 4.00 n hour during overtime. If he received N31.00 for 10 hours work, how many hours are for overtime?

A. 2
B. 3
C. 4
D. 6

Question 47:

• WAEC 2007

At what rate per cent per annum will N520.00 yield a simple interest of N39.00 in three years?

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

Question 48:

• WAEC 2007

PQR is an equilateral triangle with sides 2\(\sqrt{3cm}\). calculate its height

A. 1.7cm
B. 3.0cm
C. 3.2cm
D. 3.9cm

Question 49:

• WAEC 2007

Which of the following is a factor of 2 - x - x²?

A. 1 - x
B. 1 + x
C. X - 1
D. 2 - x

Question 50:

• WAEC 2007

make w the subject of the relation \(\frac{a + bc}{wd + f}\) = g

A. \(\frac{a + bc - fg}{dg}\)
B. \(\frac{a - bc + fg}{dg}\)
C. \(\frac{a + bc - f}{dg}\)
D. \(\frac{a + bc - dg}{dg}\)