A line of length 1.5 metres was measured as 1.55 metres by mistake. What will be the value of the error percent?

Question: A line of length 1.5 metres was measured as 1.55 metres by mistake. What will be the value of the error percent?

Solution:
Percentage error = 1.55 - 1.50 = 0.05

∴ Percentage error % = (0.05/1.50) × 100
= (5/150) × 100
= 10/3
= 3.33%