Question

the ten's digit of a two digits is half the digit at ones place . if the digit are interchanged the resulting number is 36 more to the original number . find the original number​

Answer 1

$\huge\underline{\underline{\bf\bigstar ANSWER \bigstar}}$

Let the digit in tens place be x and the digit in ones place be 2x .

  ➤ Original Number = 10x + 2x = 12x

  ➤ Reversed Number = 20x + x = 21x

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According to the question ,

          $\hookrightarrow \sf 10x+2x+36 = 20x+x\\\\\hookrightarrow 12x+36 = 21x\\\\\hookrightarrow 21x-12x = 36 \\\\\hookrightarrow 9x = 36\\\\\hookrightarrow \bf x= 4$

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➭ Original Number = 48

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