The difference in the place values of 8 between the smallest 4-digit numbers formed by using the digits, 3,8,0,5 each only once is:

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8998

6992

7992

5998

answer is C.

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Detailed Solution

Concept: In this question, the given digits are 3, 8, 0, and 5.
First write the greatest 4-digit number by using the given digits without repetition
Greatest 4-digit number

Now we will determine the place value of the digit 8 in the greatest 4-digit number of digits 3, 5, 0, 8.
So, the place value of 8 in 8530

We will now write the smallest 4-digits number by using digits 3, 5, 0, 8 without repetition.
Determine the place value of the digit 8 in[4] the smallest 4-digit number formed using digits 3, 5, 0, 8.
So, the place value of 8 in 3058

Further, we will determine the difference between the place values of 8 in the greatest and smallest 4-digit numbers formed by using the digits 3, 5, 0, 8
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