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MCQ
A student multiplied a number by `3/5` instead of `5/3`. Find the error percentage.
Options
34%
44%
54%
64%
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Solution
64%
Explanation :
Let the number be x.
Then, error = `5/3x-3/5x=16/15x`
Error percentage = `((16x)/15xx3/(5x)xx100)`% = 64%
Concept: Percentage, Discount and Partnership (Entrance Exam)
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