Question : The tens digit of a two-digit number is larger than the unit digit by 7. If we subtract 63 from the number, the new number obtained is a number formed by the interchange of the digits. Find the number.
Option 1: 81
Option 2: 18
Option 3: 62
Option 4: 26
Answer (1)
25th Jan, 2024
Correct Answer: 81
Solution :
Let the number be
According to the question,
⇒
Now,
⇒
Options 1, 2, 3 i.e. (18, 62, 26) is lesser than 63, so we will get the values in negative integer.
Hence, the correct answer is 81.
Comments (0)
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