Question

A Number is increased by 10% and then reduced by 10% after this operation the number

Answer 1

Answer:

let the no. be = x

x + 10% * x = x + 1/10*x= (10x +x)/10= 11x/10  

now

11x/10 - 1/10(11x/10)

(11x/10) (1 - 1/10)

(11x / 10) [(10-1)/10]

(11x / 10) (9/10)

Ans = 99x/100

hope u find this helpful