Question

5. A number is first increased by 25% and then decreased by 25%. Find the net increase percent .
​

Answer 1

Answer:

Let the first number be 100

number when increased,

100 + 25 ×100

100

= 100+25

= 125

when new number is decreased,

125 - 25 × 125

100

=125 - 31.2

=93.8

net decrease % ,

= 100- 93.8

= 6.2%