The salary of a typist was at first raised by 10% and then the same was reduced by 5%. If he presently draws Rs.3135.What was his original salary? Choose the correct answer:  A) 2277  B) 2999  C) 1000  D) 3000  E) 1971

Rationale: "x * ( 110 / 100 ) * ( 95 / 100 ) = 3135 x * ( 11 / 10 ) * ( 1 / 100 ) = 33 x = 3000 answer : d"
Answer: D