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, 2002

Number theory Difficulty 1.0 Junior Find the answer Canada

A palindrome is a positive integer whose digits are the same when read forwards or backwards. For example, 2002 is a palindrome. What is the smallest number which can be added to 2002 to produce a larger palindrome?

(A) $11$ (B) $110$ (C) $108$ (D) $18$ (E) $1001$

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.