Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Can you name some countries which do not have the alphabet 'A' in them?

Can you decipher the two rows to find the hidden word?

There is a place where if I stand up straight, I will still be considered sideways.

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

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.

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?