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28-07-2018
Mathematics

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A number increased by 100% and decreased by 20% is x. what is the number ? answer:

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Numenius Numenius

01-08-2018

Let's assume the number be 100.

According to the problem , 100 is increased by 100%.

So, new number will be 100+100=200

Now 200 will decreased by 20%.

So, 20% of 200= 0.20*200= 40.

So, again the number has been changed into 200+40=240.

So, x=240

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