A number is increased by 25% and decrease the obtained number by 25%
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let the no. be x
no. increased by 25%
=x+25x/100
=x+x/4
=5x/4
then obtained no. 5x/4 decrease by 25%
=5x/4-x/4=x(original no.)
no. increased by 25%
=x+25x/100
=x+x/4
=5x/4
then obtained no. 5x/4 decrease by 25%
=5x/4-x/4=x(original no.)
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