Question

a no. is increased by 25 % and then decresed by 20 % find net percent decrease or increase?

Answer 1

let the no. = 100
first increase by 25℅
= 100+25℅of 100
= 125 Rs

then decreased by 20℅
= 125-20℅of 125
= 100Rs

net value = final value - initial value
= 100-100
= 0 rs