Question

A number is increased by 10% and then the
increased number is decreased by 10%. Find the
net increase or decrease per cent.​

Answer 1

Answer:

1 %

Step-by-step explanation:

number = x

increased by 10%  = 1.1x

then decreased by 10% = 0.9 (1.1x) = 0.99x

net  decrease   =  1 per cent = 1 %

Answer 2

Answer:

Step-by-step explanation:

Let no. be x

X + x/10*100 ( Increase by 10 %)

X+x/10 *100- x/10*100( decrease by 10%)

=x

Hence no change

Net increase % = 0%