What is at the end of a rainbow?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

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

What does Alexander the Great and Winnie the Pooh have in common?

What 5-letter word typed in all capital letters can be read the same upside down?

What does this mean?
N
A
E
L
C

By moving just one matchstick, you need to make the below statement true. Can you do it?

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

There are 4 big houses. They are made from the materials: red marble, green marble, white marble and blue marble.

* Mrs Jennifer's house is somewhere to the left of the green marble one and the third one alone is white marble.
* Mrs Sharon owns a red marbles house and Mr Cruz does not live at either end, but lives somewhere to the right of the blue marbles house.
* Mr Danny lives in the fourth house, while the first house is not made from red marble.

Who lives where, and what is their house made from?

The below is a number puzzle. It should be read left to right, top to bottom.
1
1 1
2 1
1 2 1 1
1 1 1 2 2 1
? ? ? ? ? ?
? ? ? ? ? ? ? ?
Question 1: What are the next two rows of numbers?
Question 2: How was this reached?