That's the sixty four thousand dollar question.

64 (sixty four) is the natural number following 63 and preceding 65.

Four across, four up and down it's 16.

Eight minus four is four.

Eight minus four is four.

An hour has sixty minutes, and a minute has sixty seconds.

Sixty delegates were elected.

He's in his late fifties.

A square has four corners and four sides.

Four months?

Four Ways Out

the four of clubs

the four of spades

the four of hearts

the four of diamonds

Four Foundations

Four Suits

We have four computers.

And four years later, as I said, it's been seen by four ...

She has four daughters, and all four are pretty.

Sixty minutes make an hour, and a minute is made up of sixty seconds.

Sixty Years of the Palestinian Catastrophe

A minute has sixty seconds.

Sixty new museums opened.

One minute has sixty seconds.

She is almost sixty years old.

Consider four examples.

Four consequences are likely.

So when you put four.

Six? Five? Four?

Germany s Four Neins

There are only four days left.'

boolean

Four in a Row

Four hours later

But four simultaneously!!

Twice two is four.

The clock is striking four.

I'm 24.

Three times four is twelve.

Two times two is four.

I'm thirty four.

It's four o'clock.

It's five to four.

It's already 4 00!