Question

a man buys a house for rupees 15000 later he sells it for 10000 find the loss or profit percentage

Answer 1

cost price= 15000
selling price= 10000
loss= c.p-s.p
loss= 15000-10000
loss=5000
loss%= 5000
            ----------     x 100%
              15000
loss%= 5000/150
loss%=33.33% 
I hope it helps
with regards 
ankita

Answer 2

cp=15000
sp=10000

if cp greater than sp then loss

loss=15000-10000=5000

loss%=loss/cp×100
5000/15000×100
⅓×100
100/3%