Decode below three cipher riddles:

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

Why do you find that most of the buildings are deprived of the 13th floor?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

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?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

By what process could you make a 'Tea-Table' into food?

Can you find the hidden animal in the picture below?