A watch was sold at a loss of 16%. If it was sold for Rs.140 more, there would have been a gain of 4%. What is the cost price? Options:
A) 700  B) 882  C) 799  D) 778  E) 901

Rationale: "84 % 104 % - - - - - - - - 20 % - - - - 140 100 % - - - - ? = > rs . 700 answer : a"
Answer: A