How many eggs are in a dozen? twelve
How many shoes are in a pair? two
How many babies is triplets? three
How many legs does a centipede have? one hundred
How many years are in a decade? ten
What is an eighteen-wheeler? a truck with 18 wheels
How many buns are in a baker's dozen? thirteen
How many holes does a full-length golf course have? eighteen
At what age does a person become an octogenarian? eighty
Which wedding anniversary is the golden one? the 50th