Decode below three cipher riddles:

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

Can you divide the below-given shape into four equal and identical pieces?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

Can you count the number of squares in the figure below?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?