Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Daniel walks into a movie theatre. While in the movie, he suddenly smiles delightfully. About a couple of minutes later, he seems shocked. He walks out of the theatre, goes to a bridge and jumps over the edge killing himself.

Why did he do it?

Note: Think Lateral

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

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

which number am I?

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

What does this rebus photo means?