Question

The salary of a worker is first increased by 5% nd then decreased by 5% .What is the change in his salary?​

Answer 1

Answer:

let salary be Rs 100 .

case1- new salary = 100+5/100×100

=105

case2- n. salary- 105-5/100×105=99.75

so,net change =100-99.75=0.25 answer

Answer 2

Answer:

let salary 100

increase in salary by 5%

then new salary=105/100×100=105

case 2 decrease in salary by 5%.

then new salary=105-(5/ 100)×105=99.75

net change in salary 100-99.75=0.25