55. A different whole number from 1 through 150 will be painted on each of the 150 parking spaces in a new parking lot. Each number will be painted using a minimum number of digits. For example, for space 15, 2 digits, 1 and 5, will be painted, and for the first 15 spaces, a total of 21 digits will be painted. In total, how many digits will be painted for all 150 parking spaces?

Answer and Explanation

Your Answer is

Correct Answer is E

Explanation

There are 9 single digits, (99-9)*2=180 digits for two digits, (150-99)*3=153 digits for three digits, 9+180+153=342< /p>