A number 5.4 is wrongly entered as 4.5 due to typing error. Find the percentage error.
11.11%
16.66%
18%
20%
Difference in the two numbers = 5.4 - 4.5 = 0.9
Percentage error = 0.95.4×100 = 16.66%
Actual length of a rope is 22.5 m but it is wrongly meassured as 21.6 m. Find the percentage error