A merchant purchases a wrist watch for `Rs 450` and fixes its list price in such a way that after allowing a discount of `10%`, he earns a profit of `20%`. Then the list price of the watch is

A merchant purchases a wrist watch for Rs450 and fixes its list price in such a way that after allowing a discount of 10%, he earns a profit of 20%. Then the list price of the watch is

A merchant purchases a watch for Rs 560 and fixes its marked price in such a way that after allowing a discount of 20% , he earns a profit of 40%. What is the marked price (in Rs) of the watch?

A merchant purchases a watch for Rs. 455 and fixes its marked price in such a way that after allowing a discount of 35% ,he earns a profit of 40% . What is the marked price (in Rs.) of the waths ?