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WAEC WASSCE Mathematics 2010 past questions and answers

This 2010 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 2010 set with instant marking.

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Sample WAEC WASSCE Mathematics 2010 questions

1. The five scores 4, 7, 8, 11 and 15 have what mean?
  1. 9
  2. 8
  3. 10
  4. 7

Answer: A. 9

Their sum is 45, and 45 divided by 5 is 9.

2. A bag contains 3 red counters and 2 blue counters; if one counter is chosen at random, what is the probability that it is blue?
  1. 3/5
  2. 2/5
  3. 1/5
  4. 2/3

Answer: B. 2/5

There are 2 blue counters among 5 equally likely counters, so the probability is 2/5.

3. Find the median of the ordered data set 3, 4, 4, 7, 9, 10.
  1. 4
  2. 7
  3. 5.5
  4. 6

Answer: C. 5.5

With six values, the median is the average of the third and fourth values, (4 + 7)/2 = 5.5.

4. What is the range of the values 12, 17, 9, 21 and 15?
  1. 9
  2. 15
  3. 30
  4. 12

Answer: D. 12

The range is the largest value minus the smallest value, 21 - 9 = 12.

5. A survey has 240 respondents, and 25% chose option X; how many respondents chose option X?
  1. 60
  2. 48
  3. 80
  4. 96

Answer: A. 60

One quarter of 240 is 240/4 = 60.

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