Question

The difference between the greatest $7$ digit number and the smallest $5$ digit number is:

• A. $998999$
• B. $9989999$
• C. $99899$
• D. $998099$

Answer 1

The correct option is B

$9989999$

We know that,

The greatest $7$digit number =$9999999$

The smallest $5$digit number = $10000$

To find the difference between these two numbers

Subtract $5$ digit number from $7$ digit number

$9999999–10000=9989999$

Hence, the correct option is (b)