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?

What can you hold in your right hand, but never in your left hand?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

How many letters are in the alphabet?

Why Wine Glass Stem is so long?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

I have branches, but no fruit, trunk or leaves. What am I?