Replace the question mark with the number below given a simple math problem.

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Replace the question mark with the correct number in the below-given picture?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

How many times can you subtract the number 5 from 25?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Different lights make me strange by changing me into different sizes. What am I?