Decode below three cipher riddles:

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

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Before Mount Everest was discovered, what was the highest mountain in the world?

If eleven plus two equals one, what does nine plus five equal?

When can we add 2 to 11 and get 1 as the correct answer?

What is the word or phrase below?
R | E | A | D

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?