What Time Should the last watch show in the below figure?

One evening there was a murder in the home of a married couple, their son and daughter. One of these four people murdered one of the others. One of the members of the family witnessed the crime.

The other one helped the murderer.

These are the things we know for sure:

1. The witness and the one who helped the murderer were not of the same sex.

2. The oldest person and the witness were not of the same sex.

3. The youngest person and the victim were not of the same sex.

4. The one who helped the murderer was older than the victim.

5. The father was the oldest member of the family.

6. The murderer was not the youngest member of the family.

Who was the murderer?

Prove that the below maths equation is true.

8 + 8 = 91

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

Can you move 2 matchsticks to form four equal sized squares.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

I have branches, but no fruit, trunk or leaves. What am I?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?