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The number 8,000 is first increased by 20% and then decreased by 20%. Find the resulting number. - Mathematics

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Question

The number 8,000 is first increased by 20% and then decreased by 20%. Find the resulting number.

Sum
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Solution

Given number is increased by 20%.

= `120/100 xx 8000` 

= 9600

Then decreased by 20 %

`80/100 xx 9600`

= 7680

hence, the Resultant number is 7680.

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Chapter 7: Percent and Percentage - Exercise 7 (A) [Page 83]

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Selina Concise Mathematics [English] Class 8 ICSE
Chapter 7 Percent and Percentage
Exercise 7 (A) | Q 17 | Page 83
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