Waec Mathematics Past Questions
Question 1691
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 1692
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. \(1\frac{1}{2}\)
Question 1693
Find the missing number in the addition of the following numbers, in base seven
\(\begin{matrix}
4 & 3 & 2 & 1\\
1 & 2 & 3 & 4\\
* & * & * & *\\
1&2&3&4&1
\end{matrix}\)
- A. 3453
- B. 5556
- C. 6016
- D. 13453
Question 1694
simplify \(\frac{10}{\sqrt{32}}\)
- A. \(\frac{5}{4}\sqrt{2}\)
- B. \(\frac{4}{5}\sqrt{2}\)
- C. \(\frac{5}{16}\sqrt{2}\)
- D. \(\frac{16}{5}\sqrt{2}\)
Question 1695
A car moves at an average speed of 30kmh\(^{-1}\), how long does it take to cover 200 meters?
- A. 2.4 sec
- B. 24 sec
- C. 144 sec
- D. 240 sec
