John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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?

In the image given, you can find several triangles. Can you count them all?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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

Identify the hidden meaning behind this picture?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Find the next number in the series below

21 32 54 87 131 ?