Solution:

The coin in the 1st bucket. At 25 degrees C water is liquid, while at 25 degrees F it turns into ice.

Solution:

The Winchester brothers - sam and dean

Solution:

Kid1, he was left with one rock.

Solution:

he was genius.

Officials must have thought he was jumping with a hostage, they would never risk giving him a faulty parachute.

Solution:

White should move the rook from
A1 to D1 and hence complete the castling move.

Solution:

Sansa has the siamese (conjoined) twin sister.

Solution:

The person on 73rd number will survive.

Explanation:
Till the number is the power of 2, the last person to survive will be the one who started it. But since the number here is not the power of 2, we will take the greatest power of 2 that is less than the number which is 64.
100 - 64 = 36
36 people are killed as 2, 4, 6, ..., 72. Thus the sword will now be given to the 73rd person. Now he is the first person to start in the remaining 64 people. Thus he will be the one to survive.

Solution:

Solution can be verified from the picture below.

Solution:

Everyone will done one day or other.

Abraham Lincoln era is too old and we expect most of them(if not all) to be dead by now.

Solution:

Either your read from start or from ends, it will be same

Solution:

Flyball should pay Lavy $11 instead of accepting his counter offer as in that case the club will end up paying almost double the amount.