A student multiplied a number by 3/5 instead of 5/3, What is the percentage error in the calculation ?
Choose the correct choice from the following:
A) 22
B) 64
C) 365
D) 29
E) 36
Let the number be x.   Then, ideally he should have multiplied by x by 5/3. Hence Correct result was .   By mistake he multiplied x by 3/5 . Hence the result with error =   Then, error =   Error % = = 64 %   Answer: 64
<result>B</result>
A student multiplied a number by 3/5 instead of 5/3, What is the percentage error in the calculation ?