Question

If selling price of an something is 4/5 (four-fifth) of its cost price, what's the loss percent?​

Answer 1

Answer:

Let cp of object=₹x

sp of object =4x/5

loss.=cp-sp

=x-4x/5

=x/5

loss%=(loss/cp)×100

=(x/5/x)×100

=100/5%

=20%