Which is a reasonable estimate for the height of a bus?

Which is a reasonable estimate for the width of a computer keyboard?

Which is a reasonable estimate for the height of a garage door?

Which is a reasonable estimate for the length of a spoon?

Which is a reasonable estimate for the width of an LCD television?

Which is a reasonable estimate for the width of a dishwasher?

Which is a reasonable estimate for the length of a belt?

Which is a reasonable estimate for the length of a tennis net?

Which is a reasonable estimate for the length of a car?

Which is a reasonable estimate for the width of a parking space?