Waec Mathematics 1997 Past Questions and Answers

Question 11:

• WAEC 1997

P varies inversely as the square of W. When W = 4, P = 9. Find the value of P when W = 9

A. 729/16
B. 6
C. 4
D. 16/9
E. 4/3

Question 12:

• WAEC 1997

If x varies over the set of real numbers, which of the following is illustrated in the diagram above?

A. -2 ≤ x < 3
B. -2 < x ≤ 3
C. -2 < x < 3
D. -2 ≤ x ≤ 3
E. X ≥ 3

Question 13:

• WAEC 1997

In the triangle XYZ , XM is the altitude from X to YZ.XY = 13cm, XZ = 15cm and YM = 5cm. Find the length of YZ

A. 9cm
B. 12cm
C. 14cm
D. 19.85cm
E. 23cm

Question 14:

• WAEC 1997

Two points P and Q are on longitude 67°W. Their latitudes differ by 90°. Calculate their distance apart in terms of π. (Take radius of the earth = 6400km).

A. 6400πkm
B. 6400km/π
C. 3200πkm
D. 3200km
E. 3200km/π

Question 15:

• WAEC 1997

The length of the two parallel sides of trapezium are 6cm and 10cm and the perpendicular distance between them is 5cm. Find the area of the trapezium

A. 21cm²
B. 4Ocm²
C. 8Ocm²
D. 150cm²
E. 300cm²