How can you take 2 from 5 and leave 4?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Who are the happiest people in IPL match?

They are three errirs in this question. Can you find them?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

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

How many times do a clock's hands overlap in a day ?

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

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

A father's child, a mother's child, yet no one's son.

Who am I?