A man bought apples at 10 for Rs. 75 and sold them at Rs.75 per dozen. Find his loss per cent.
CP of 1 Apple = 75/10
= Rs.7.5
CP of 1 Dozen Apple = 7.5 × 12
= Rs.90
SP of 1 Dozen Apple = Rs.75
Loss = CP – SP
= 90 - 75
= 15
=
= 16.66%