general knowledge (3) knowledge about biggest,longest in our world.it`s time to know your world. Vikas.Prajapati published on May 30, 2011 Stacked 1/5 which is world `s longest highway? grand trunk road golden way pan american highway 2/5 which is world`s smallest country? moracco italy vatican city switzerland 3/5 which is world`s biggest country? Type answer. Hint: 6 characters 4/5 which is world`s biggest continent? Asia Africa North america 5/5 which is world`s longest river? Nile Amazon Ganga