If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

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

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Count the number of triangles in the picture below:

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

What occurs twice in a week, once in a year but never in a day?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Can you decipher the two rows to find the hidden word?