If two's company, and three's a crowd, then whats four and five ?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

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?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

You need to remove two matchsticks to make the below equation true. Can you do it ?

Why do you find that most of the buildings are deprived of the 13th floor?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

What have one eye but still cannot see?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.