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Pro Problems > Math > Number and Quantity > Number Theory > Digits

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A math problem involving Shrek wanting Fiona's telephone number
Given two pieces of information about the three digit number, determine all possible values.
Determine a three digit number from sum and difference of reversed-digit number
Find how many two-digit numbers match the patterns specified
Determine my value, based on information about my digits
What happens when two three-digit numbers are placed back to back to create a six digit number?
Figure out the digits of Rhonda's five-digit zip code using the clues given
Find the palindrome that lies in the middle of a listing of palindromes

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