A number is increased by 20% and then again by 20%. By what per cent should the increased number be reduced so as to get back the original number ?

A number is increased by 20% and then again by 20%. By what per cent s

1.	A number is increased by 20% and then again by 20%. By what per cent should the increased number be reduced so as to get back the original number ?
A.	<table><tr><td rowspan="2">30</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2">%</td></tr><td align="center">9</td></table>
B.	<table><tr><td rowspan="2">19</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>11</center></td><td rowspan="2">%</td></tr><td align="center">31</td></table>
C.	40%
D.	44%
Answer» B. <table><tr><td rowspan="2">19</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>11</center></td><td rowspan="2">%</td></tr><td align="center">31</td></table>

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A number is increased by 20% and then again by 20%. By what per cent should the increased number be reduced so as to get back the original number ?

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