Question

The sum of the digits of a 2 digit no. is 13. If the digits are interchanged and the result is added to the original number, then we get 143. What is the original number?
there might be 2 answers
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Answer 1

X+Y=13,,,

10X+Y IS ORIGINAL NO.

10Y+X IS REVERSED NO.

10Y+X+10X+Y= 143                          ATQ

11(X+Y)=143

X+y=13

85 AND 58

Answer 2

Answer:

Given that the digits are interchanged, Then it will become 10y + x. Given that sum of digits of two digit number = 13. Both (1) & (2) are same. 94 + 49 = 143.

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