The cost price of 12 candles is equal to the selling price of 15 candles. Find the loss per cent.


Let SP of 15 candles = Rs.100.


CP of 12 candles = SP of 15 candles = Rs.100


CP of 15 candles =


= Rs.125


Loss = CP – SP


= 125 – 100


= 25




= 20%


10
1