Waec Mathematics Past Questions with Answers

Waec Mathematics Past Questions

Question 1091:

WAEC 2007

Evaluate

(111_{t w o})^{2}

and leave your answer in base 2

A.

111001_{t w o}

110001_{t w o}

101001_{t w o}

10010_{t w o}

View Answer & Explanation

Question 1092:

WAEC 2007

Find the LCM of

2^{3} \times 3 \times 5^{2}, 2 \times 3^{2} \times 5 a n d 2^{2} \times 3^{2} \times 5

2^{2} \times 3^{3} \times 5^{2}

2^{3} \times 3^{23} \times 5

2^{2} \times 3^{2} \times 5^{2}

2^{3} \times 3^{3} \times 5^{2}

View Answer & Explanation

Question 1093:

WAEC 2007

Simplify

(0.3 \times 10^{5}) \div (0.4 \times 10^{7})

leaving your answer in standard form

A.

7.5 \times 10^{- 4}

7.5 \times 10^{- 3}

7.5 \times 10^{- 2}

7.5 \times 10^{- 1}

View Answer & Explanation

Question 1094:

WAEC 2007

p \propto \frac{1}{q}

, which of the following is true?

A.

\propto p^{2}

p \propto \frac{1}{q^{2}}

q \propto \sqrt{p}

q \propto \frac{1}{p}

View Answer & Explanation

Question 1095:

WAEC 2007

Simplify

3 \sqrt{45} - 12 \sqrt{5} + 16 \sqrt{20}

leaving your answer in surd form

A.

29 \sqrt{5}

14 \sqrt{15}

12 \sqrt{15}

11 \sqrt{5}

View Answer & Explanation

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Waec Mathematics Past Questions and Answers

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Waec Mathematics Past Questions

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