Waec Mathematics Past Questions and Answers

Question 706:

• WAEC 2000

A tap leaks at the rate of 2cm\(^3\) per seconds. How long will it take the tap to fill a container of 45 liters capacity? (1 liters = 1000cm\(^3\))

A. 8 hours
B. 6hr 15min
C. 4hr 25min
D. 3hr

Question 707:

• WAEC 2000

The length of the parallel sides of a trapezium are 5cm and 7cm. If its area is 120cm\(^2\), find the perpendicular distance between the parallel sides

A. 5.0cm
B. 6.9cm
C. 10.0cm
D. 20.0cm

Question 708:

• WAEC 2000

The arc of a circle 50 cm long, subtends angle of 75° at the center of the circle. Find correct to 3 significant figures, the radius of the circle. Take \(\pi = \frac{22}{7}\)

A. 8.74cm
B. 38.2cm
C. 61.2cm
D. 76.4cm

Question 709:

• WAEC 2000

In the diagram, |PQ| = |PS| Which of the following statements is true?

A. ∠QPS = QRS
B. |PO| = |RO|
C. QR||PS
D. ∠PQR=∠PSR

Question 710:

• WAEC 2000

The area of a circle is 38.5cm². Find its diameter [take \(\pi = \frac{22}{7}\)]

A. 22cm
B. 14cm
C. 7cm
D. 6cm