Replace the question mark with a numberMATH PUZZLE: Can you replace the question mark with a number?
A wife is having sex with her husband's best friend one day. Soon the phone rings, so she answers it.
"Yes... uh, huh... OK... yes... bye."
Her husband's best friend says: "Who was it?"
"That was my husband," she replied.
The man jumped out of bed, and tried to put on his clothes in a hurry.
"Relax," said the wife. "He just called to tell me he was out playing golf with you"