Waec Mathematics Past Questions For Year 2000
Question 41
Express 398753 correct to three significant figures
- A. 398000
- B. 398700
- C. 398800
- D. 399000
Question 42
Express \(\frac{7}{19}\) as a percentage, correct to one decimal place
- A. 2.7%
- B. 3.7%
- C. 27.1%
- D. 36.8%
Question 43
Which of the following numbers is perfect cube?
- A. 350
- B. 504
- C. 950
- D. 1728
Question 44
Simplify \(\left(\frac{16}{81}\right)^{-\frac{3}{4}}\times \sqrt{\frac{100}{81}}\)
- A. \(\frac{80}{243}\)
- B. \(\frac{1}{64}\)
- C. \(\frac{25}{6}\)
- D. \(\frac{15}{4}\)
Question 45
What fraction must be subtracted from the sum of \(2\frac{1}{6}\) and \(2\frac{7}{12}\) to give \(3\frac{1}{4}\)?
- A. \(\frac{1}{3}\)
- B. \(\frac{1}{2}\)
- C. \(1\frac{1}{6}\)
- D. \(1\frac{1}{2}\)