Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

A blonde put eyeliner on her head. Why?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What begins with T, ends with T, and has T in it?

What does Alexander the Great and Winnie the Pooh have in common?

How is a fly different from a mosquito?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?