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?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

What's the only room from which no one can enter or leave

What is red and smells like blue paint?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Count the number of squares in the picture below.

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

Who am I?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

What four weights can be used to balance from 1 to 30 pounds?