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

What is full of holes but still holds water?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Identify the hidden meaning behind this picture?

What does this mean?

CCCCCCC

What is the word or phrase below?
R | E | A | D

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?