Sum of the digit of a two digit number is 11 when we interchange the digit it is found that the resulting new number is greater than the original number by 63 find the two digit number.
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Step-by-step explanation:
when two digits are changed in a number, the difference is always in multiple of 9, here difference is 63
divide 63 by 9 u get 7
it is difference between these 2 digits
a-b=7
a+b=11 given so a=9and b=2
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