A number is first increased by 10% and then reduced 10% the number
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Step-by-step explanation:
let the required number be 100.
then, according to question
=» firstly the number increased by 10%.
=»100+(100×10)/100
=»100+10
=»110.
=»secondary is decreased by 10%.
=»100-(100×10)/100
=»110-11
=»99.
NET increase or decrease %.
=(original number -new number) ×100/100
=»100-99×100/100
=»(1×100)/100
=»100/100
=»1%.
SO, NET DECRESED IS 1%.
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