Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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

O T T F F S S ?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Can you solve below mathematical equation?

2^1234 - 2^1233

What Adam and Eve do not have but the rest of the people have?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

The more you take me, the more you leave me behind.
Who Am I?