I purchased a watch for ₹ 330 and sold it at a loss of 20%. Find S.P. of the watch.(7th class math)

I purchased a watch for ₹ 330 and sold it at a loss of 20%. Find S.P. of the watch.(7th class math)

Solution:Given cost price(C P) of watch = Rs. 330

                                          Loss % = 20%

According to question,

Rs. of loss = C P of watch X Loss%

                  = 330 X 20/100

                  = 66 Rs.

Selling price(S P) of watch = C P of watch - Rs. of loss

                                           = (330 - 66) Rs.

                                           = 264 Rs.

Therefore,S P of the watch 264 Rs.