# Mathematics 2017 Past Questions | WAEC

Study the following Mathematics past questions and answers for JAMBWAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.

11.  Solve: – $$\frac{1}{4}$$ < $$\frac{3}{4}$$ (3x – 2) < $$\frac{1}{2}$$

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

12. Simplify; 3x – (p – x) – (r – p)

• A. 2x – r
• B. 2x + r
• C. 4x – r
• D. 2x – 2p – r

13.  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 π=22/7]

• A. 29o
• B. 57o
• C. 65o
• D. 115o

14. Water flows out of a pipe at a rate of 40πcm2$\pi c{m}^{2}$ 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

15. The dimensions of water tank are 13cm, 10cm and 70cm. If it is half-filled with water, calculate the volume of water in litres

• A. 4.55 litres
• B. 7.50 litres
• C. 8.10 litres
• D. 9.55 litres

16. If the total surface area of a solid hemisphere is equal to its volume, find the radius

• A. 3.0cm
• B. 4.5cm
• C. 5.0cm
• D. 9.0cm

17. Which of the following is true about parallelogram?

• A. opposite angles are supplementary
• B. opposite angles are complementary
• C. opposite angles are equal
• D. opposite angles are reflex angles

18. Calculate the gradient (slope) of the joining points (-1, 1) and (2, -2)

• A. -1
• B. 1/2
• C. 12
• D. 1

19.  If P(2,3) and Q)2, 5) are points on a graph, calculate the length PQ

• A. 6 units
• B. 5 units
• C. 4 units
• D. 2 units

20.  A bearing of 320º expressed as a compass bearing is

• A. N 50º W
• B. N 40º W
• C. N 50º E
• D. N 40o E

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