When it's bad luck to meet a black cat?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Remove two matchsticks to make the below equation correct.

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

How many times in a given day, minutes and hour clock comes in a straight line ?

What is the word or phrase?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

I am sure no one can have two things for dinner. what are they?