A student multiplied a number by 3/5 instead of 5/3.
A student multiplied a number by 3/5 instead of 5/3. What is the percentage error in the calculation?
Answer/Solution
64%
Steps/Work
Explanation :
Let, the number be x.
According to the question, the error is :-
=>(5x/3)−(3x/5).
=>16x/5.
Hence, the percentage error is :-
=>16x/15 /5x/3∗100.
=>64%.
Answer : D
Let, the number be x.
According to the question, the error is :-
=>(5x/3)−(3x/5).
=>16x/5.
Hence, the percentage error is :-
=>16x/15 /5x/3∗100.
=>64%.
Answer : D