Question

How many numbers are there containing 3--digits?

• A. $999$
• B. $899$
• C. $900$
• D. $800$

Answer 1

Answer: (C)

$900$

For calculating the numbers containing 3 digits, we can see the range of 3 digits numbers from [100, 999].

So, total number of 3 digit numbers will be:

(Greatest 3-digit number-smallest 3-digit number) + 1
$=(999-100)+1$
$=899+1=900$