What has a ring but no finger?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

What does it mean?

I taste better than I can smell. Who am I?

Which digit occurred maximum times between the number 1 and 1000?

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?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

What has many teeth, but cannot bite?

There is something which you can be arrested for attempting but not for successfully completing.