Waec Mathematics 2011 Past Questions and Answers

Question 16:

• WAEC 2011

The length of a piece of stick is 1.75m. A girl measured it as 1.80m. Find the percentage error

A. \(\frac{28}{7}\)%
B. \(\frac{29}{7}\)%
C. 5%
D. \(\frac{20}{7}\)%

Question 17:

• WAEC 2011

What is the value of 3 in the number 42.7531?

A. \(\frac{3}{10000}\)
B. \(\frac{3}{1000}\)
C. \(\frac{3}{100}\)
D. \(\frac{1}{10}\)

Question 18:

• WAEC 2011

The height of a cylinder is equal to its radius. If the volume is 0.216 \(\pi\) m\(^3\). Calculate the radius.

A. 0.46m
B. 0.60m
C. 0.87m
D. 1.80m

Question 19:

• WAEC 2011

The height of a cylinder is equal to its radius. If the volume is 0.216 \(\pi m^3\) Calculate the radius.

A. 0.46m
B. 0.60m
C. 0.87m
D. 1.80m

Question 20:

• WAEC 2011

What is the value of 3 in the number 42.7531?

A. \(\frac{3}{10000}\)
B. \(\frac{3}{1000}\)
C. \(\frac{3}{100}\)
D. \(\frac{1}{10}\)