How many digits are used to number a book containg 300 pages.	Choices:
A) 694 B) 792 C) 698 D) 784 E) 789

Rationale: explanation : number of digits in 1 digit numbers = 1 to 9 = 9 number of digits in 2 digit numbers = 10 to 99 = 90 ( 2 ) = 180 number of digits in 3 digit numbers = 100 to 300 = 201 ( 3 ) = 603 total = 792 answer : option b
Answer: B