Waec Mathematics Past Questions and Answers

Question 666:

• WAEC 2000

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 667:

• WAEC 2000

Express 398753 correct to three significant figures

A. 398000
B. 398700
C. 398800
D. 399000

Question 668:

• WAEC 2000

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 669:

• WAEC 2000

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 670:

• WAEC 2000

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. \(1\frac{1}{2}\)