How many keystrokes are needed to type the numbers from 1 to 800?
Choose the correct choice from the following answers
A) 1804
B) 1978
C) 2176
D) 2292
E) 2456
There are 9 one-digit numbers from 1 to 9.   There are 90 two-digit numbers from 10 to 99.   There are 701 three-digit numbers from 100 to 800.   9 + 90(2) + 701(3) = 2292   The answer is 2292.
<result>D</result>
How many keystrokes are needed to type the numbers from 1 to 800?