Question
Write the smallest and the largest six digit numbers. How many numbers are between these two.
✓
Answer
The smallest digit is $0.$ But we cannot use $0$ at the place having the highest place value in six digit numbers.
So, we will use the second smallest digit i.e., $1$. All other places are filled by $9$.
Hence, the required number $= 100000$ Smallest six digit number will be $100000$.
The largest digit is $9$. We can use $9$ at any place. In fact, we can use $9$ in all places in six digit numbers.
Hence, the required number $= 999999$ Largest six digit number will be $999999$
Required difference $= 999999 - 100000 = 899999$
So, the total numbers between $999999$ and $100000$ will be $899998.$
So, we will use the second smallest digit i.e., $1$. All other places are filled by $9$.
Hence, the required number $= 100000$ Smallest six digit number will be $100000$.
The largest digit is $9$. We can use $9$ at any place. In fact, we can use $9$ in all places in six digit numbers.
Hence, the required number $= 999999$ Largest six digit number will be $999999$
Required difference $= 999999 - 100000 = 899999$
So, the total numbers between $999999$ and $100000$ will be $899998.$
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