1.

3. Find the original number if the sum of digit and the number obtained by interchanging thdigits are as follows: (ii)7, 27 more than the original number​

Answer»

The digits are reversed when 27 is added to it. THEREFORE for all the numbers 14 , 25 , 36 , 47 , 58 and 69 the digits are reversed when 27 is added.

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