By selling 36 oranges, a vendor suffers a loss equal to the selling price of 4 oranges. Find the loss%
Let selling price of an orange be Re.1
Therefore, SP of 36 oranges =Rs.36
Loss =Rs.4
Hence, CP of 36 oranges =Rs.36+4=Rs.40
∴ Loss %=440×100=10%
By selling 45 lemons, a vendor loses a sum equal to the selling price of 3 lemons. Find his loss per cent.