Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

How could a baby fall out of a twenty-story building onto the ground and live?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3