Concept : 1 Mark
Application : 1 Mark
Calculation : 2 Marks
We have,
C.P. of watch = Rs. 2200
S.P. of watch = Rs. 1980
Since S.P. < C.P. So, there is loss given by
Loss = C.P. - S.P.
= Rs. 2200 - Rs. 1980 = Rs. 220
Now, Loss%=(LossC.P.×100)%=(2202200×100)%=10%
Hence, Loss = Rs. 220
Loss%=10%