Waec Mathematics 1998 Past Questions and Answers

Question 46:

• WAEC 1998

The length of an arc of a circle of radius 5cm is 4cm. Find the area of the sector

A. \(1\frac{3}{5}cm^2\)
B. 2cm²
C. 8cm²
D. 10cm²
E. 20cm²

Question 47:

• WAEC 1998

The pie chart above show the distribution of how students travelled to a certain school on a particular day. Use this information to answer the question below
If a hundred students travelled by bus, find the total number of students in the school

A. 300
B. 400
C. 500
D. 600
E. 750

Question 48:

• WAEC 1998

The pie chart above show the distribution of how students travelled to a certain school on a particular day. Use this information to answer the question below
What percentage, to the nearest whole number, of tghe students travelled to school on foot?

A. 24%
B. 23%
C. 20%
D. 15%
E. 14%

Question 49:

• WAEC 1998

The diagram above is a rectangle. If the perimeter is 36m, find the area of the rectangle

A. \(64m^2\)
B. \(65m^2\)
C. \(84m^2\)
D. \(124m^2\)
E. \(275m^2\)

Question 50:

• WAEC 1998

In \(\triangle PQR\). T is a point on QR such that \(\angle QPT = 39^o and \angle PTR = 83^o. Calculate \angle PQT\)

A. \(34^o\)
B. \(44^o\)
C. \(45^o\)
D. \(97^o\)
E. \(107^o\)