Waec Mathematics Past Questions and Answers

Question 1306:

• WAEC 2010

What is the length of a rectangular garden whose perimeter is 32cm and area 39cm²?

A. 25cm
B. 18cm
C. 13cm
D. 9cm

Question 1307:

• WAEC 2010

Simplify \(\frac{2}{2 + x} + \frac{2}{2 - x}\)

A. \(\frac{4}{4 - x^3}\)
B. \(\frac{8}{4 - x^2}\)
C. \(\frac{4x}{4 - x^2}\)
D. \(\frac{8 - 4x}{4 - x^2}\)

Question 1308:

• WAEC 2010

The sum of the exterior of an n-sided convex polygon is half the sum of its interior angle. find n

A. 6
B. 8
C. 9
D. 12

Question 1309:

• WAEC 2010

If y = \(\frac{y(2\sqrt{x^2 + m})}{3N}\), make x the subject of the formular

A. \(\frac{\sqrt{9y^2 N^2 - 2m}}{3}\)
B. \(\frac{\sqrt{9y^2 N^2 - 4m}}{2}\)
C. \(\frac{\sqrt{9y^2 N^2 - 3m}}{2}\)
D. \(\frac{\sqrt{9y^2 N - 3m}}{2}\)

Question 1310:

• WAEC 2010

The nth term of the sequence -2, 4, -8, 16.... is given by

A. T_n = 2ⁿ
B. T_n = (-2)ⁿ
C. Tⁿ = (-2n)
D. T_n = n[sup][/sup]