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WAEC WASSCE Mathematics 2000 past questions and answers

This 2000 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 2000 set with instant marking.

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Sample WAEC WASSCE Mathematics 2000 questions

1. Express 0.000684 in standard form.
  1. 6.84 x 10^-3
  2. 68.4 x 10^-5
  3. 6.84 x 10^-4
  4. 0.684 x 10^-3

Answer: C. 6.84 x 10^-4

Moving the decimal point four places to the right gives 6.84, so the power of ten is -4.

2. A sum of 64 is divided in the ratio 3:5; what is the larger share?
  1. 40
  2. 24
  3. 32
  4. 48

Answer: A. 40

There are 8 equal parts, so the larger share is (5/8) x 64 = 40.

3. What is the highest common factor of 36 and 84?
  1. 6
  2. 18
  3. 24
  4. 12

Answer: D. 12

The greatest number that divides both 36 and 84 exactly is 12.

4. Evaluate 5/6 - 1/4.
  1. 4/10
  2. 7/12
  3. 1/2
  4. 2/3

Answer: B. 7/12

Using denominator 12 gives 10/12 - 3/12 = 7/12.

5. Round 0.006378 to three significant figures.
  1. 0.00637
  2. 0.0064
  3. 0.00638
  4. 0.006378

Answer: C. 0.00638

The first three significant digits are 6, 3 and 7, and the next digit 8 rounds the 7 up to 8.

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