Question
Download Solution PDFA student multiplied a number by \(\frac{3}{5}\) instead of \(\frac{5}{3}\) What is the percentage error in the calculation?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe Correct answer is Option 1.
Key Points
The student should have multiplied by 5/3 but instead multiplied by 3/5.
The error in the result is 5/3 - 3/5 which equals 16/15
To calculate the percentage error, divide the error 16/15 by the correct result 5/3 giving 48/75 and multiply by 100, which results in 64%.
Hence, option 1 is correct.
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