What has 13 hearts but no other organs?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

If eleven plus two equals one, what does nine plus five equal?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What is at the end of a rainbow?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

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

I have Rs.50 and I spend it in the way as below.

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?