Mathematics 2006 Waec Past Questions and Answers

Question 31 :

• WAEC 2006

Which of the following is not a measure of centre tendency?

A. Mean
B. Mode
C. Range
D. Median

Question 32 :

• WAEC 2006

The temperature in a chemical plant was -5^oC at 2.00 am. The temperature fell by 6^oC and then rose again by 7^oC. What was the final temperature?

A. -6^oC
B. -4^oC
C. 4^oC
D. 8^oC

Question 33 :

• WAEC 2006

Simplify \(\frac{20}{5\sqrt{28} - 2 \sqrt{63}}\)

A. \(\frac{5\sqrt{7}}{7}\)
B. \(\frac{5\sqrt{5}}{7}\)
C. \(\frac{7\sqrt{5}}{7}\)
D. \(\frac{7\sqrt{7}}{5}\)

Question 34 :

• WAEC 2006

A ladder 16m long leans against an electric pole. If the ladder makes an angle of 65^o with the ground, how far up the electric pole does its top reach

A. 6.8m
B. 14.5m
C. 17.7m
D. 34.3m

Question 35 :

• WAEC 2006

In the diagram, PQUV, PQTU, QRTU and QRST are parallelograms. |UV| = 4.8cm and the perpendicular distance between PR and VS is 5cm. Calculate the area of quadrilateral PRSV

A. 96cm²
B. 72cm²
C. 60cm²
D. 24cm²