Home›Logic puzzles›Ulang Tahun Cheryl🌐Bahasa IndonesiaEnglishBahasa IndonesiaFrançaisPortuguêsTiếng ViệtРусский中文EntityQ19822720· pop 8· linked from 4 articlesUlang Tahun Cheryla variant of the classic Birthday problemAvailable in 8 languagesFrançais中文РусскийPortuguêsBahasa IndonesiaSlovenianTiếng Việtvia Wikidata sitelinks · CC0ConnectionsSingaporeCountryFacebookConceptInternational Standard Book NumberCategoriesLogic puzzlesMathematical problems