Question

If a number is decreased by 20%, it becomes
A. four fifths of itself B. two fifths of itself
C. one fifth of itself D. one eighth of itself

Answer 1

Let the number be x.
So, x*20/100
= x/5
Now, it is decreased by 20% ...
Thus,
x-x/5
= 5x-x/5
= 4x/5
So,
If a number is decreased by 20% ,it becomes.
Ans = A.) Four fifth of itself.


Hope it helps.
@pakhi6 [ Brainly star ]