How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

What is the word or phrase?

What has 13 hearts but no other organs?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

Solve the mathematical equation in the picture below.

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Solve the counting riddle by identifying the number of triangles in the given picture.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

What does this rebus picture identify?