If we multiply a certain two-digit number by the sum of its digits, we get 405. If we multiply the number consisting of the same digits written in the reverse order by the sum of the digits, we get 486. Find the number.
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Solution
Given condition: Number × Sum of the Digits =405 Now, factors of 405 will give the required number. Factors of 405=5×3×3×3×3=15×27=45×9 45×9=405