Waec Mathematics 2017 Past Questions and Answers

Question 11:

• WAEC 2017

One factor of $7x^2+33x-10$ is

A. 7x + 5
B. X - 2
C. 7x - 2
D. X - 5

Question 12:

• WAEC 2017

Solve: - $\frac{1}{4}$ < $\frac{3}{4}$ (3x - 2) < $\frac{1}{2}$

A. -$\frac{5}{9}$ < x
B. -$\frac{8}{9}$ < x
C. -$\frac{8}{9}$ < x
D. -$\frac{7}{9}$ < x

Question 13:

• WAEC 2017

Simplify; 3x - (p - x) - (r - p)

A. 2x - r
B. 2x + r
C. 4x - r
D. 2x - 2p - r

Question 14:

• WAEC 2017

An arc of a circle of radius 7.5cm is 7.5cm long. Find, correct to the nearest degree, the angle which the arc subtends at the centre of the circle. [Take $\pi =\frac{22}{7}$]

A. 29${}^o$
B. 57${}^o$
C. 65${}^o$
D. 115${}^o$

Question 15:

• WAEC 2017

Water flows out of a pipe at a rate of 40$\pi c{m}^2$ per seconds into an empty cylinder container of base radius 4cm. Find the height of water in the container after 4 seconds.

A. 10 cm
B. 14 cm
C. 16 cm
D. 20 cm