What does this rebus riddle means ?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What number when divided in half becomes zero?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Can you make four (4) nines (9) equal 100?

Why Wine Glass Stem is so long?

To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.

What did Birbal give to Akbar's daughter?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?