- A8
- B9
- C10
- D18
Step-by-Step Solution
A two-digit palindrome has both digits equal: 11, 22, 33, 44, 55, 66, 77, 88, 99 — exactly 9 of them.
Answer: B) 9
Consider the pattern of numbers whose digits read the same forwards and backwards (palindromes): 11, 22, 33, ... and 101, 111, 121, ...
How many two-digit palindromes are there in total?
Class 8Patterns in NumbersNumber System
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