A watch was sold at a loss of 10%. If it was sold for Rs.190 more, there would have been a gain of 4%. What is the cost price?  Choices:
A) s . 1000  B) s . 1009  C) s . 1007  D) s . 1357.1  E) s . 1002

Rationale: "explanation : 90 % 104 % - - - - - - - - 14 % - - - - 190 100 % - - - - ? = > rs . 1357.1 answer : d"
Answer: D