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Each of these is a quiz question in its own right, but the answers connect to a common theme, which could be anything from plumb straightforward to bizarrely lateral 1 In 1962 which country’s national airline became the world’s first to have an all-jet fleet?

2 Aqaba, located at the north-eastern tip of the Red Sea, is which country’s only seaport and coastal city?

3 Which is mainland Africa’s westernmost country? 4 And which country, mainland Africa’s smallest, lies completely enclosed within the answer to 3, except for a small coast on the Atlantic Ocean? 5 Which landlocked African country borders Nigeria and Benin to the south, Burkina Faso and Mali to the west, Algeria and Libya to the north, and Chad to the east?