What is common among 11, 69, and 88?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Find the Goldfish below the given Image.

I am lying and I always lie. Tell me whether I am lying or telling the truth.

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

The Little ant seems to be always confused. Do you know why?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?