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WAEC WASSCE Mathematics 2013 past questions and answers

This 2013 WAEC WASSCE Mathematics set has 40 practice questions. Try these 5 free sample questions, tap a question to reveal the answer and explanation. Then practise the whole 2013 set with instant marking.

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Sample WAEC WASSCE Mathematics 2013 questions

1. Find the area of a 90-degree sector of a circle of radius 7 cm. Take pi = 22/7.
  1. 38.5 cm^2
  2. 154 cm^2
  3. 77 cm^2
  4. 19.25 cm^2

Answer: A. 38.5 cm^2

The sector is one quarter of the circle, so its area is (1/4) x (22/7) x 7^2 = 38.5 cm^2.

2. A cylinder has radius 3 cm and height 14 cm; using pi = 22/7, what is its volume?
  1. 132 cm^3
  2. 396 cm^3
  3. 198 cm^3
  4. 42 cm^3

Answer: B. 396 cm^3

The volume is pi x 3^2 x 14 = 396 cm^3.

3. Two angles of a triangle are 48 degrees and 67 degrees; find the third angle.
  1. 55 degrees
  2. 75 degrees
  3. 65 degrees
  4. 115 degrees

Answer: C. 65 degrees

The angles of a triangle sum to 180 degrees, so the third angle is 180 - 48 - 67 = 65 degrees.

4. A fair coin is tossed twice; what is the probability of obtaining heads on both tosses?
  1. 1/2
  2. 3/4
  3. 1/3
  4. 1/4

Answer: D. 1/4

Only one of the four equally likely outcomes is HH, so the probability is 1/4.

5. Find the mean of 4, 6, 7, 9 and 14.
  1. 8
  2. 7
  3. 9
  4. 40

Answer: A. 8

The sum is 40 and 40 divided by 5 is 8.

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