What goes through cities and fields, but never moves?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Can you find out the missing number in the grid?

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?