Q. The sum of the digits of a 2digit number is 17. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
A) 98
B) 89
C) 87
D) 78
✔ Correct Answer: 89
Exam Insight
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A) 98
B) 89
C) 87
D) 78
✔ Correct Answer: 89
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