Question

A number is increased by 20% and the increased number is decreased by 20% find the net increase or decrease percent ​

Answer 1

$Let the number be =100</p><p></p><p></p><p>Increase in the number =20% of 100</p><p></p><p></p><p>                                        =10020×100</p><p></p><p></p><p>                                        =20</p><p></p><p></p><p>Increased number =100+20</p><p></p><p></p><p>                                =120</p><p></p><p></p><p>The resulting number decreased by 20%</p><p></p><p></p><p>Decrease in the number =12020×120</p><p></p><p></p><p>                                          =24</p><p></p><p></p><p>New number =120−24</p><p></p><p></p><p>                       =96</p><p></p><p></p><p>Now, net decrease =100−96</p><p></p><p></p><p>Net % decrease =Original numberNet decrease×100</p><p></p><p></p><p>                            =1004×100</p><p></p><p></p><p>                            =4%</p><p></p><p></p><p>Hence the net percent decrease is 4%.</p><p></p><p>$

Answer 2

4 percent is the answer for question