There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

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

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Find out the missing number in the picture attached:

Can you count the number of squares in the given picture?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

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?