Question

the cost price of an article is rupees 200 and its selling price is rupees 180 find the loss percentage

Answer 1

loss% = loss/cp ×100
loss= cp -sp
loss=200-180
loss=20
loss% = 20/200 ×100
loss% = 1/10 ×100
loss%=10 is answer

Answer 2

Cp=200
Sp=180
Loss=200-180
=20
Loss℅=20℅
( 20×100)÷200=10℅