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Question
Find the sum of the greatest and the least six digit numbers formed by the digits 2, 0, 4, 7, 6, 5 using each digit only once.
Solution
Given digits are 2, 0, 4, 7, 6 and 5.
Using each digit only once,
The greatest six-digit number = 765420
The smallest six-digit number = 204567
Now, the sum of these numbers = 765420 + 204567 = 969987
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