Difference between a two digit number and number obtained by reversing digits is 45 what is difference between its digit?
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The answer is 5 please check
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let the number be 10x + y
the other number is 10y + x
so 10x + y - (10y + x ) = 45
=> 9x - 9y = 45
=> x-y = 45/9 =5
so x-y = 5
the other number is 10y + x
so 10x + y - (10y + x ) = 45
=> 9x - 9y = 45
=> x-y = 45/9 =5
so x-y = 5
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