One train entered the tunnel at 7 a.m., the other entered at 7 p.m.
Start both hourglasses. When the 4-minute glass runs out, turn it over (4 minutes have elapsed). When the 7-minute glass runs out, turn it over (7 minutes have elapsed). When the 4-minute glass runs out this time (8 minutes have now elapsed), the 7-minute glass has been running for 1 minute. Turn it over once again. When it stops, 9 minutes have elapsed.
Nine o'clock. Since there are 12 hours between the two times, and half of that time is six, then the halfway mark would have to be 7 o'clock. If it were 7 o'clock, two hours ago, the time would now be 9 o'clock.
The other end of the rope isn't tied to anything.
Just push the cork into the bottle and shake the coin out.
An ear of corn.
Throw the ball straight up.
They're female boxers.
The dates are 1990 B.C. and 1995 B.C.
His parachute didn't open.
An Infiniti.
The tape recording ends with him killing himself. If he'd committed suicide, the tape wouldn't be rewound to the beginning of his statement
She's playing baseball.
Captain Russo is bald.
He's playing Monopoly. The man with the "car" token has land-ed on a property that has a "hotel." Since he cannot afford the rent, he declares "bankruptcy.