Multiple choice general knowledge 'The Citi Never Sleeps' HDFC HSBC ABN AMRO Bank CITIGROUP Reveal answer Fill a bubble to check yourself D Correct answer Explanation Citigroup (Citi) uses 'The Citi Never Sleeps' as its tagline since the late 1970s, playing on New York's nickname and emphasizing 24/7 global banking services. HDFC, HSBC, and ABN AMRO are major banks but not associated with this slogan.