Q : The salary of a person was increased by 15 % . If hus salary now is Rupee 9,936 , what was his intial salary ???
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Answer:
let the initial salary be x.
then
x+15%of x=9936
x+3x/20=9936
23x/20=9936
x=9936*20/23
x=8640
The person's initial salary was 8640 Rs.
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