80% of a number added to 80 gives the result as the number itself, then the number is :
A. 200
B. 300
C. 400
D. 480
Answer: Option C
Solution (By Examveda Team)
Let X be the number which is added to 80 80% of X = 0.8X Now, 80 + 0.8X = X 0.2X = 80 X = $$\frac{{80}}{{0.2}} = 400$$This Question Belongs to Arithmetic Ability >> Percentage
How 0.2 comes?