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The sum of the digits of a two digit number is 15. If the number formed by reversing the digit is less than the.........

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The sum of the digits of a two digit number is 15. If the number formed by reversing the digit is less than the original number by 27, find the original number.

posted Feb 10, 2020 by Chahat Sharma

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1 Answer

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96


ab=10a+b
ba=10b+a
a+b=15
ba=ab-27 --> 10a+b-10b-a=27 --> 9*(a-b)=27 --> a-b=3 --> a=b+3
a+b=15 --> b+3+b=15 --> b=6, a=9
ab=96

answer Feb 10, 2020 by Hanifa Mammadov



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