Can you replace the question mark with the correct number in the below table sequence?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

What has 88 keys?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

What is harder to catch the faster you run?

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.

What number comes next in the series?

5 15 5 18 5 24 14 20 _

What number divided by 4 is the same as that number minus 4?