Waec Mathematics Past Questions and Answers

Question 881:

• WAEC 2003

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

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

Question 882:

• WAEC 2003

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

A. 1
B. 2
C. 4
D. 6

Question 883:

• WAEC 2003

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

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

Question 884:

• WAEC 2003

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

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

Question 885:

• WAEC 2003

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?

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