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Mathematics Past Questions and Answers

Waec Mathematics Questions

Question 881:

If \(P = \sqrt{QR\left(1+\frac{3t}{R}\right)}\), make R the subject of the formula.

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A \(R = \frac{3Qt}{P^2 - Q}\)
B \(R = \frac{P^2 – 3t}{Q+1}\)
C \(R = \frac{P^2 + 3t}{Q - 1}\)
D \(R = \frac{P^2-3Qt}{Q}\)

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Question 882:

From the Venn diagram below, how many elements are in P∩Q?

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A 1
B 2
C 4
D 6

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Question 883:

From the Venn Diagram below, find Q' ∩ R.

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A (e)
B (c, h)
C (c, g, h)
D (c, e, g, h)

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Question 884:

The square root of a number is 2k. What is half of the number

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A \(\sqrt{\frac{k}{2}}\)
B \(\sqrt{k}\)
C \(\frac{1}{2}k^2\)
D 2k²

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Question 885:

Given that p varies as the square of q and q varies inversely as the square root of r. How does p vary with r?

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A P varies as the square of r
B P varies as the square root of r
C P varies inversely as the square of r
D P varies inversely as r

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