- A9
- B10
- C11
- D12
Step-by-Step Solution
A number reversed is ; their sum is , always a multiple of 11.
Answer: C) 11
A two-digit number and the number formed by reversing its digits are added.
For example, 23 + 32 = 55, and 41 + 14 = 55.
The sum is always a multiple of which number?
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