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The digit at the units place of a two digit number is one more than the digit at the tens place. If 9 is added to the number, the digits get interchanged.

Find the number.


45 is the digit in which when 9 is added it becomes 54
0 0 0
May I please know how?
yeah first revise the table of 9 u will get 45 and 54 as the numbers having their digits interchanged. as it is the table of 9 there has to be a difference of 9
dont go in detail plz
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