Find the next number in the sequence

5 12 24 36 ?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

The Little ant seems to be always confused. Do you know why?

Whats the next number in the below number sequence pattern.

What has hands, but can’t clap?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

What number comes next in this sequence:
7 8 5 5 3 4 4 _

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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

? : 3839 :: 11 : 1209