Question
Fri October 26, 2012 By: Ashrene

instead of multiplying a number by 7 ,the number is divided by 7.what is the percentage error obtained?

Expert Reply
Fri October 26, 2012
let no be x.
let actual ans be 7x
new ans = x/7

error=7x-x/7 = 48x/7

percentage = (48x/7)/7x * 100 = 97.9% 
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