What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

Can it be possible to build a house that has all its four walls facing towards the South?

What has many teeth, but cannot bite?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Can you write down eight eights so that they add up to one thousand?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.