Q. If the sum of digits is 9 and the difference between the digit in the ten's place and unit's place is 1, then the two-digit number is?
A) 63
B) 45
C) 72
D) 54
✔ Correct Answer: 54
Exam Insight
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A) 63
B) 45
C) 72
D) 54
✔ Correct Answer: 54
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