Question

man sold an article for rs 540 and incurred a loss of 10% find the cost price of article

Answer 1

Sp= rs 540
Loss%=10%
A/Q
Sp=(1-r/100)cp
540=90/100×cp
540×100=90×cp
(540×100)/90=cp
thus cp=rs 600

Answer 2

sp=rs 540
loss%=10%
hence,cp=100/100-loss%*sp