How many figures are required to number the pages the pages of a book containing 1000 pages?  Select the correct option.
A) 2793 B) 2333 C) 2993 D) 2893 E) 2693

Rationale: 1 to 9 = 9 * 1 = 9 10 to 99 = 90 * 2 = 180 100 to 999 = 900 * 3 = 2700 1000 = 4 - - - - - - - - - - - 2893 answer : d
Answer: D