Waec Mathematics 2006 Past Questions and Answers

Question 41:

• WAEC 2006

In the diagram, the two circles have a common centre O. If the area of the larger circle is 100\(\pi\) and that of the smaller circle is 49\(\pi\), find x

A. 2
B. 3
C. 4
D. 6

Question 42:

• WAEC 2006

In the diagram, PQR is a straight line, QRST is a parallelogram, < TPQ = 72^o and < RST = 126^o. What type of triangle is \(\bigtriangleup\) PQT?

A. An equilateral triangle
B. A right-angled triangle
C. An isosceles triangle
D. A scalene triangle

Question 43:

• WAEC 2006

How many pupils took the test?

A. 36
B. 38
C. 39
D. 40

Question 44:

• WAEC 2006

If the pass mark was 4. What percentage of the pupils failed the test?

A. 20.0%
B. 37%
C. 62.5%
D. 80.0%

Question 45:

• WAEC 2006

The diagram shows an arc MN of a circle, centre O, with 10cm. If < MON = 72^o. calculate the length of the arc, correct to three significant figures. [Take \(\pi = \frac{22}{7}\)]

A. 6.28cm
B. 12.6cm
C. 22.6cm
D. 62.8cm