Question

A number is increased by 10% and
then decreased by 10%. The net
changing In the number is:​

Answer 1

Answer:

let the number is 100

increase 10%=100+10=110

decrease of 10% on 110

=(10/100)×110=11

nett amount 110–11=99

So decrease 100–99=1

decrease of 1 out of 100

percentage of decrease 1%

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Answer 2

ANSWER

Let the number be 100

when increased by 10% number will be

=100+

100

10

×100=110

when decreased by 10%

=110−

100

10

×110=99

Decrease in original value is (100-99)=1

Percentage decrease is

100

1

×100=1%

There will be 1 percent decrease