Waec Mathematics Past Questions For Year 2018
Question 26
Find the inter-quartile range of 1, 3, 4, 5, 8, 9, 10, 11, 12, 14, 16
- A. 6
- B. 7
- C. 8
- D. 9
Question 27
If 3x\(^o\) 4(mod 5), find the least value of x
- A. 1
- B. 2
- C. 3
- D. 4
Question 28
Find the \(n^{th}\) term of the sequence 2 x 3, 4 x 6, 8 x 9, 16 x 12...
- A. 2\(^n\) x 3(n + 1)
- B. 2\(^n\) x 3n
- C. 2\(^n\) x 3\(^n\)
- D. 2\(^n\) x 3\(^n - 1\)
Question 29
Find the mean deviation of 20, 30, 25, 40, 35, 50, 45, 40, 20 and 45
- A. 8
- B. 9
- C. 10
- D. 12
Question 30
Find the median of 2, 1, 0, 3, 1, 1, 4, 0, 1 and 2
- A. 0.0
- B. 0.5
- C. 1.0
- D. 1.5
