The two grids below are essentially equivalent. A specific color belongs to a specific catagory (four solid colors). Exception is the center box with 2 colors. Should be easy to fill out all the boxes with "?"
An overlined V. LI is Roman for 51. Numbers greater than 3,999 can be represented with Roman numerals with an overbar, which means the digit value is multiplied with 1,000.
18:25. The white-and-red image on the left is the flag of Poland; the red-and-white image on the right is the flag of Indonesia. 13:25 is the time in Poland (CEST). Indonesia spans across three time zones, but when it's 13:25 in Warsaw, it's 18:25 in Jakarta.
Approximately 1.222. An angle of 940° (which really is 220°) corresponds to 16.4 radians. 70° correpsond to 1.222 radians.