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

In the four images below, can you find the odd one out?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Can you count the number of triangles in the given figure?

Why do we preferably have round manhole covers and not square ones?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?