It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

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

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

2, 3, 5, 9, 17, _ What is the next number in the sequence?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

I can be cracked, made, told, and played. What am I?