Waec Mathematics 2011 Past Questions and Answers

Question 1:

• WAEC 2011

If N112.00 exchanges for D14.95, calculate the value of D1.00 in naira

A. 0.13
B. 7.49
C. 8.00
D. 13.00

Question 2:

• WAEC 2011

If N112.00 exchanges for D14.95, calculate the value of D1.00 in naira

A. 0.13
B. 7.49
C. 8.00
D. 13.00

Question 3:

• WAEC 2011

Solve for x in the equation; \(\frac{3}{5}\)(2x - 1) = \(\frac{1}{4}\)(5x - 3)

A. Zero
B. 1
C. 2
D. 3

Question 4:

• WAEC 2011

Given that cos x^o = \(\frac{1}{r}\), express tan x[sup][/sup] in terms of r

A. \(\frac{1}{\sqrt{r}}\)
B. \(\sqrt{r}\)
C. \(\sqrt{r^2 + 1}\)
D. \(\sqrt{r^2 - 1}\)

Question 5:

• WAEC 2011

Solve the equation; 3x - 2y = 7, x + 2y = -3

A. X = 1, y = -2
B. X = 1, y = 3
C. X = -2, y = -1
D. X = 4, y = -3