Waec Mathematics 1988 Past Questions and Answers

Question 31:

• WAEC 1988

Abidjan is 4^o west of Accra and on the same circle of latitude. If the radius of this circle of latitude is 6370km, how far is Abidjan west of Accra, correct to the nearest kilometer? [Take π = 22/7]

A. 222km
B. 445km
C. 890km
D. 5005km
E. 10010km

Question 32:

• WAEC 1988

Which of the regions P, Q, R, S and T satisfies the following 0 < y < 1, y < x + 2, x < 0

A. P
B. Q
C. R
D. S
E. T

Question 33:

• WAEC 1988

A cone is made from a sector of circle of radius 14cm and angle of 90^o. What is the area of the curved surface of the cone? (Take x = 22/7)

A. 22cm²
B. 38.5cm²
C. 77cm²
D. 154cm²
E. 308cm²

Question 34:

• WAEC 1988

In the diagram above, O is the centre of the circle through points L, M and N, if ∠MLN = 74o and ∠MNL = 39o, calculate ∠LON.

A. 67^o
B. 100^o
C. 113^o
D. 126^o
E. 134^o

Question 35:

• WAEC 1988

A rope of length 18m is used to form a sector of a circle of radius 3.5m on a school playing field. What is the size of the angle of the sector, correct to the nearest degree?

A. 33^o
B. 40^o
C. 90^o
D. 180^o
E. 270^o