A watch was sold at a loss of 10%. If it was sold for Rs.140 more, there would have been a gain of 2%. What is the cost price? Choose the correct option
A) s . 1000 B) s . 1009 C) s . 1166.7 D) s . 1006 E) s . 1002

Rationale: "explanation : 90 % 102 % - - - - - - - - 12 % - - - - 140 100 % - - - - ? = > rs . 1166.7 answer : c"
Answer: C