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

O T T F F S S ?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

Before Mount Everest was discovered, what was the highest mountain in the world?

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?

You can hear me, but you can't touch or see me.

What am I?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

How many triangles can you find in this given picture?