Waec Mathematics Questions
Question 1091:
Evaluate \((111_{two})^2\) and leave your answer in base 2
- A \(111001_{two}\)
- B \(110001_{two}\)
- C \(101001_{two}\)
- D \(10010_{two}\)
Question 1092:
Find the LCM of \(2^{3}\times 3\times 5^{2}, 2\times 3^{2}\times 5 \hspace{1mm}and \hspace{1mm}2^{2}\times 3^{2}\times 5\)
- A \(2^{2}\times 3^{3}\times 5^{2}\)
- B \(2^{3}\times 3^{23}\times 5\)
- C \(2^{2}\times 3^{2}\times 5^{2}\)
- D \(2^{3}\times 3^{3}\times 5^{2}\)
Question 1093:
Simplify \((0.3\times 10^{5})\div (0.4\times 10^{7})\)leaving your answer in standard form
- A \(7.5\times 10^{-4}\)
- B \(7.5\times 10^{-3}\)
- C \(7.5\times 10^{-2}\)
- D \(7.5\times 10^{-1}\)
Question 1094:
If \(p\propto \frac{1}{q}\), which of the following is true?
- A \(\propto p^{2}\)
- B \(p\propto \frac{1}{q^{2}}\)
- C \(q\propto \sqrt{p}\)
- D \(q\propto \frac{1}{p}\)
Question 1095:
Simplify \(3\sqrt{45}-12\sqrt{5}+16\sqrt{20}\)leaving your answer in surd form
- A \(29\sqrt{5}\)
- B \(14\sqrt{15}\)
- C \(12\sqrt{15}\)
- D \(11\sqrt{5}\)