It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

Can you find out which options fits best with the missing column?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Complete the table series riddle by finding the number that can replace "??".

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

What kind of storm is always in a rush?

Solve below popular number sequence
314 159 265 358 979 323 846 ?