Question

A's salary is increased by 10% and then reduced by 10%. Will his salary change?

Answer 1

Answer:

Let '100 Rs.' be the salary of A.

increased salary = 10÷100×100=10

=100+10= 110

redeuced salary =10÷100×110=11

110-11=99

the salary is redeuced by percent =100-99=1

1÷100×100=1

Answer 2

$\sf\color{red}{Answer }$

Let the salary of the worker be hundred rupees.

After increase it become ₹100 + 10% of 100 = 110₹

After decrease in become ₹100 - 10% of ₹110 = ₹99

The percentage reduction = 100-99 = 1 %