Question

A number is increased by 10% and than the increased number is decreased by 10% find the net increase or decrease per cent .
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Answer 1

Answer:

Let the no be x

Percent increase=10%

increase in number=x+10% of x

11x/10

Percent decrease=11x/10-10% of 11/10

99x/100

Net increase/decrease=x-99x/100

x/100

Net decrease percent=decrease value/ orignal value×100

x/100÷x×100

1/100×100

1%. ans