Waec Mathematics Past Questions with Answers

Waec Mathematics Past Questions

Question 591:

WAEC 1998

Evaluate

\sqrt{20} \times (\sqrt{5})^{3}

A. 10
B. 20
C. 25
D. 50

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Question 592:

WAEC 1998

If P = {3, 7, 11, 13} and Q = {2, 4, 8, 16}, which of the following is correct

A.

(P \cap Q)^{l} = 2, 3, 4, 13

n (P \cup Q) = 4

P \cup Q = \emptyset

P \cap Q = \emptyset

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Question 593:

WAEC 1998

It is observed that

1 + 3 = 2^{2}, 1 + 3 + 5 = 3^{2}, 1 + 3 + 5 + 7 = 4^{2} . I f 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = P^{2} f i n d P

A. 6
B. 7
C. 8
D. 9

View Answer & Explanation

Question 594:

WAEC 1998

Evaluate

3.0 \times 10^{1} - 2.8 \times 10^{- 1}

leaving the answer in standard form

A.

2 \times 10^{- 1}

2 \times 10^{2}

2.972 \times 10^{1}

2.972 \times 10^{2}

View Answer & Explanation

Question 595:

WAEC 1998

A trader makes a loss of 15% when selling an article. Find the ratio, selling price : cost price

A. 3:20
B. 3:17
C. 17:20
D. 20:23

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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