What is the percentage error in the calculation?

– by
Question:
What is the percentage error in the calculation?
[A].

34%

[B].

44%

[C].

54%

[D].

64%

Answer: Option D

Explanation:

Let the number be x.

Then, error = 5 x – 3 x = 16 x.
3 5 15
Error% = 16x x 3 x 100 % = 64%.
15 5x