Subject
Quantitative Aptitude
Topic
Percentage
A student multiplied a number by 3/5 instead of 5/ What is the percentage error in the calculation?
A student multiplied a number by 3/5 instead of 5/ What is the percentage error in the calculation?
ক)
34%খ)
44%গ)
54%ঘ)
64%Explanation
Let the number be x. Then, error = 5x/3 – 3x/5 = 16x/15 Error% = (16x/15 × 3/5x × 100)% = 64%Related questions
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