Post Utme Mathematics Past Questions and Answers

Question 191:

A student measured the length of a book to be 8.5 cm. If the actual length of the book is 8.6 cm, find her percentage error.

A. 1.6%
B. 1.16%
C. 0.1%
D. 0.8%

Question 192:

A train is traveling at an average speed of 20 m/s. Its speed in kilometres per hour is

A. 36 km/hr
B. 72 km/hr
C. 80 km/hr
D. 100 km/hr

Question 193:

A cylinder of base radius 5 cm is open at one end. If its height is 10 cm what is the ratio of its base area to its curved surface area?

A. 1:2
B. 1:3
C. 1:4
D. 1:5

Question 194:

Evaluate \(\log_{10} 10000\).

A. 1
B. 2
C. 3
D. 4

Question 195:

A carpenter measured the length of a board to be 5.60 m. If the actual length is 5.55 m, find his percentage error.

A. 0.5%
B. 1.5%
C. 2.1%
D. 0.9%