Question

A number is incresed by 10 % and the increased number is decreased by 10% find the net increased or decreased percent.​

Answer 1

Answer:

let 1st no. be x

increase by 10%  

x+x/10=11x/10

now decrease 10%  

11x/10-(11x/10)/10=99x/100

the decrease is x-99x/100

x/100

so,it is decreased % is 1%

Hope it helps!

Step-by-step explanation:

Answer 2

Step-by-step explanation:

let assume number is 100

after 10% increament new number will be 110

then we will decrese 10% from 110 then new number will be 110-11= 99

so effective decrement is 1 i.e 1%