Approximately how many years did World War II last?

Which year did World War II begin?

If a squadron had 12 planes and 1/3 were shot down, how many planes were lost?

Which year did World War II end?

About how many soldiers died during the war?

If a country mobilized 5 million soldiers in 1940 and an additional 2 million in 1941, how many soldiers did they have mobilized in total?

If a tank traveled at 25 miles per hour for 4 hours, how many miles did it travel?

What was the approximate population of the world in 1940?

If one convoy consisted of 30 ships and another had 45, what was the total number of ships in both convoys?

Which country had approximately 30% of worldwide deaths during the World war 2 ?