Ravish sold his motorcycle to Vineet at a loss of 28%. Vineet spent Rs 1680 on its repairs and sold the motor cycle to Rahul for Rs 35910, thereby making a profit of 12.5%, find the cost price of the motor cycle for Ravish.
Let cost price of motorcycle for ravish = Rs. X
Loss% for ravish = 28%
Selling price for Ravish = 
Selling price for Ravish = cost price for vineet = 
Cost of repairing by vineet = Rs.1680
Total cost for vineet = 
Selling price for vineet = Rs. 35910
Profit = 
Profit percentage = 12.5% Given
Hence, by formula
= 
= 
= 162x = 6804000
= 
∴ cost price of motorcycle for Ravish = Rs.42000
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