Question
How many $6-$digit numbers are there in all$?$
✓
Answer
The largest $6-$digit number $= 999999$
The smallest $6-$digit number $= 100000$
$\therefore$ Total number of $6-$digit numbers
$= (999999 - 100000) + 1$
$= 899999 + 1 = 900000 = 9$ lakhs
The smallest $6-$digit number $= 100000$
$\therefore$ Total number of $6-$digit numbers
$= (999999 - 100000) + 1$
$= 899999 + 1 = 900000 = 9$ lakhs
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