Question

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Answer 1

Answer:

Let the required number be 100.

Then, according to the question.

→ Firstly, the number is increased

by 10 %

⇒ 100 + (100*10)/100

100 + 10

= 110

Secondly, it is decreased by 10%

⇒110 - (110*10)/100

⇒110 - 11

➡99

Net increase or decrease

percentage

= (Original Number - New

Number)*100/100

⇒ (100-99)*100/100

⇒ (1*100)/100

⇒ 100/100

= 1%

So, net decrease is 1%.

Step-by-step explanation:

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