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80 of a number added to 80 gives the result as...

This question belongs to Arithmetic Ability Percentage
Percentage
?

80% of a number added to 80 gives the result as the number itself, then the number is :

Answer & Solution
Correct Answer: Option C
Let X be the number which is added to 80
80% of X = 0.8X
Now,
80 + 0.8X = X
0.2X = 80
X = $$\frac{{80}}{{0.2}} = 400$$
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1 Comment
Chitralekha Bhattacharjee
Chitralekha Bhattacharjee 6 years ago
How 0.2 comes?
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