Percentage Error

Back to: MATHEMATICS SS2

 

Welcome to class! 

In today’s class, we will be talking about the percentage error. Enjoy the class!

 

GENERAL EVALUATION

1. The distance between two towns is 60km to the nearest km. (a) 5km (b) 0.5km     (c) 8.3km     (d) 0.83km
2. The area of a classroom is 400m² to 2 s.f. (a) 50m² (b) 1.25m²(c) 2.5m²     (d)  5m²
3. A salesgirl gave a girl a balance of N1.15 to a customer instead of N1.25, calculate the % error.
4. A student measured the length of a room and obtained the measurement of 3.99m if the percentage error of his measurement was 5% and his own measurement was smaller than the length, what is the length of the room? (a) 3.78m (b) 3.80m (c) 4.18m   (d) 4.20m
5. A man is 1.5m tall to the nearest cm, calculate his percentage error. (a)  0.05cm    (b) 0.33%   (c) 0.033%   (d) 0.05cm

 

In our next class, we will be talking about Arithmetic Progression.  We hope you enjoyed the class.

Should you have any further question, feel free to ask in the comment section below and trust us to respond as soon as possible.

Get more class notes, videos, homework help, exam practice on Android [DOWNLOAD]

Get more class notes, videos, homework help, exam practice on iPhone [DOWNLOAD]