- A81
- B90
- C100
- D99
Step-by-Step Solution
A three-digit palindrome looks like aba. The first digit a can be 1-9 (9 choices) and the middle digit b can be 0-9 (10 choices); the last digit must equal a. Total = .
Answer: B) 90
Numbers like 121, 131, 252 are palindromes (same forwards and backwards). Lata lists all three-digit palindromes.
How many three-digit palindromes are there in all?
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