In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

What is red and smells like blue paint?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

What is the word or phrase?

No matter how little or how much you use me, you change me every month. What am I?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?