Solution:

What must be kept in mind before you start calculating through any method is that the weights can be put on both the pans.

So the weights - 1, 3, 7, 12, 43, 76, 102

The oldest man that can be weighed using these weights is a man aged 122 years

Solution:

The woman told him to take out one nut each from the rest of the wheels and use them.

Solution:

Yes, some people are going get really tiny pieces but you were allowed for that right. Also, there is another way of doing it. Can you think of it?

Solution:

The man asked the king that he wanted to die of old age.

Solution:

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

Solution:

Selfie
Explanation:
: Selfie = is six letter word
: Self = The first four letter is me.
: e = The second and last letter are the same.
: fee = The fourth second and last letter are payment.

Solution:

It can surely be true because it is not mentioned that it was raining.

Solution:

Kid1, he was left with one rock.

Solution:

Align the toothpicks to form TEN. Use one toothpick for each of the lines.

Solution:

The brain teaser can be solved as shown in the image below.

Solution:

Since the door is not visible in this picture, the bus is moving in the left direction.