When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

I am the fastest animal but cannot climb the tree. What am I?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

I have feet, but no legs. Which animal Am I?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

What is at the end of a rainbow?