A number has two digits whose sum is 9. If 27 is added to the number , its digits gets interchanged. Find the number [Hint-Lets one digit be x, then tens digit will be 9–x. Therefore, the number is 10(9–x)+x]
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A number consists of two digits whose sum is 9. If 27 is added to the number, its digits are interchanged. Which of the given steps is CORRECT to find the number? Step 7 :Hence the number = 36.
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