3. Sum of the digits of a two-digit number is 9. When we interchange the digits, it is
found that the resulting new number is greater than the original number by 27. What
is the two-digit number? please explain.
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Answer: Let the digits at tens place and ones place: x and 9 - x respectively. original number = 10 x + (9 ... When we interchange the digit it is found that the resulting new number is greater than the original number by 27. ... original number =10x+(9−x) =9x+9. Now Interchange the digits: Digit at ones place and tens
Step-by-step explanation:
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