I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

How many letters are in the alphabet?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What word begins and ends with an E, but has only one letter?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

What demands an answer, but asks no questions

O_er_t_o_

Complete the missing letters of the given word.

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

If eleven plus two equals one, what does nine plus five equal?