NABTEB Mathematics 2024 Objective — Question 10

Question 10 of 50 from the National Business and Technical Examinations Board (NABTEB) Mathematics 2024 Objective paper, with the correct answer and a full explanation.

A trader gave a change of N540.00 instead of #570.00 to a customer. Calculate the percentage error.

A. A. 5 1/19%
B. B. 5 2/9%
C. C. 5 7/19%Correct
D. D. 5 2/9%

Explanation

Actual error=#570−#540=#30. %error=(Actual error/Actual value)×100%=(30/570)×100%=(100/19)%=5 5/19%.

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