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sum of the digits of a two-digit number is 5 and the difference of the original number and the number formed by reversing the digit is 9 find the original number |
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Answer» N :-Let,Digit in ten's place = xDigit in one's place = yOriginal number = 10X + y According to the FIRST condition,According to the second condition,Eq (2) + Eq (1),Substitute the VALUE of x in eq (1),Original number = 32 |
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