conundrum

CONUNDRUM noun

[ C ] uk/kəˈnʌndrəm/ us
a problem or question that is difficult to solve

головоломка
№2 (2411)№2 (2411)№3 (2401)№3 (2401)№4 (2382)№4 (2382)№4 (2382)№5 (2359)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№6 (2356)№7 (2354)№8 (2335)№8 (2335)№9 (2318)№10 (2316)