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?

Replace the question mark with the correct number in below Picture:

Who always enjoys poor health?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

What goes through cities and fields, but never moves?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What country can make you shiver?

I am quite hot but become too cold if you remove the first two letters. What am I?

You need to arrange three 7 and mathematical symbols to form number 1?