Difference of smallest 6-digit number and greatest 4-digit number is:

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10,001

90,000

90,001

9,00,001

answer is C.

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Detailed Solution

Concept: Subtract the number with the smallest value from the number with the largest value to find the difference between two numbers. The smallest 6 digit number and the largest 4 digit number must be known before answering the question. Additionally, we need to know how to create both the largest 4 digit number and the smallest 6 digit number. The smallest six-digit number is 100000, which becomes a five-digit number when we take away one. So, the lowest six-digit number is 100000. The largest 4-digit number is 9999, which becomes a 5-digit number when we add 1. 9999 is the largest four digit number as a result.
In order to calculate their difference, we must first determine the lowest 6 digit number and the largest 4 digit number.
We know that the smallest 6-digit number

And greatest 4-digit number

Therefore, their difference

Hence, the correct answer is option (3).

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