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If you add 10% of a …

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If you add 10% of a number to itself,what percentage of the new number should be subtracted to get the original number

Posted by Shasidhar P 6 years, 9 months ago

CBSE > Class 07 > Mathematics

1 answers

Ram Kushwah 6 years, 9 months ago

let x= number

New no.=x+x*10/100

110x/100=11x/10

Now let 11x/10-y=x

y=11x/10-x=x/10

=(x/10)/(11x/10)*100={tex}\frac{11}{100}{/tex}%

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