Common Knowledge
100

How do you make a peanut butter and jelly sandwich?

What is putting peanut butter and jelly in between 2 slices of bread?

200

How many stars are on the American Flag?

What is 50?

300

How many planets are in the Solar system?

What is 8 planets?

400

How many syllables are in Hippopotomonstrosesquippedaliophobia?

What is 15 syllables?