Waec Mathematics Past Questions and Answers

Question 701:

• WAEC 2000

Find the value of x such that the expression \(\frac{1}{x}+\frac{4}{3x}-\frac{5}{6x}+1\) equals zero

A. \(\frac{1}{6}\)
B. \(\frac{1}{4}\)
C. \(\frac{-3}{2}\)
D. \(\frac{-7}{6}\)

Question 702:

• WAEC 2000

Given that p varies directly as q while q varies inversely as r, which of the following statements is true?

A. R varies directly as p
B. P varies inversely as r
C. P varies directly as r
D. Q varies inversely as p

Question 703:

• WAEC 2000

In the diagram, PQS is a circle with center O. RST is a tangent at S and ∠SOP = 96^o. Find ∠PST

A. 42^o
B. 48^o
C. 60^o
D. 66^o

Question 704:

• WAEC 2000

A bicycle wheel of radius 42cm is rolled over a distance 66 meters. How many revolutions does it make?[Take \(\pi = \frac{22}{7}\)]

A. 2.5
B. 5
C. 25
D. 50

Question 705:

• WAEC 2000

The height of a pyramid on square base is 15cm. if the volume is 80cm^3, find the area of the square base.

A. 8cm²
B. 9.6cm²
C. 16cm²
D. 25cm²