# Positive number is by mistake divided by 10 instead of being multiplied by 10. what is the is % error on the basis of correct answer

2
by linidehitmehrazymari

2015-10-07T17:52:56+05:30

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This can be solved using an example.
Let the number which is to be multipled be x
Now, x=100
So by mistake divided by 10 so 100/10 =10
But should be multiplied by 10 so 100*10 = 1000
Error % = (1000-10/1000) *100= (990/1000)*100 = 0.99*100= 99%
Hope it is useful...!
there should be a minus sign before the error percentage...
Its not getting edited
2015-10-08T16:17:34+05:30

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original number = N
expected = 10 N

what is done = N/10.

error =   [N/10 - 10 N]  =  - 9.9 N

% error
= error / expected result  * 100

=  -9.9 N / (10 N)  * 100 = - 99 %

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