A shopkeeper bought some sweets at 11 for a rupee. He bought an equal number of sweets at 10 for a rupee.He sold all the sweets at 8 for a rupee. Find his gain or loss per cent.
A shopkeeper bought some sweets at 11 for a rupee. He bought an equal number of sweets at 10 for a rupee.He sold all the sweets at 8 for a rupee. Find his gain or loss percent.
Cost price of 11+10=21 sweets is 1+1=Rs.2
So, cost price of each sweet=Rs. 2/21
Selling price of 8 sweets = Rs.1
Selling price of 1 sweet=Rs.1/8
Gain = 1/8 - 2/21=(21-16)/168=5/168