A watch was sold at a loss of 10%. If it was sold for Rs.210 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 . 1006	E) s . 1500

Rationale: explanation : 90 % 104 % - - - - - - - - 14 % - - - - 210 100 % - - - - ? = > rs . 1500 answer : e
Answer: E