Question

Piyush's marks in mathematics were wrongly read as 65 instead of 85 .What is the percentage error in the marks

Answer 1

Answer:

The percentage error is 23.52%

Step-by-step explanation:

Actual Marks = 85

Error read marks = 65

So, difference between the marks is 85 - 65 = 20 marks

⇒Percentage error = \frac{20}{85} \times 100

85

20

×100

= 23.52 %

So, the percentage error is 23.52%