Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

I know a nine-letter word having only one vowel.
Do you ?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

In the image below, can you find the value of an angle(y)

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?