Solution:

4th Image

Images 1st 2nd & 3rd are images of the right hand while the 4th image is of the left hand

Solution:

Old password : altered

New Password : distinct

Solution:

Solution is shown in image below

Solution:

4

No Of circles in the number.

Solution:

The answer is 2. First, divide the coins into 3 equal piles. Place a pile on each side of the scale, leaving the remaining pile of 3 coins off the scale. If the scale does not tip, you know that the 6 coins on the scale are legitimate, and the counterfeit is in the pile in front of you. If the scale does tip, you know the counterfeit is in the pile on the side of the scale that raised up. Either way, put the 6 legitimate coins aside. Having only 3 coins left, put a coin on each side of the scale, leaving the third in front of you. The same process of elimination will find the counterfeit coin.

Solution:

zero

I had 3 green socks and 1 Pink sock.

=> chances of pair of green socks = 1/2
chances of pair of mixed socks = 1/2
chances of pair of green socks = NULL

Solution:

The Stars

Solution:

Since the door is not visible in this picture, the bus is moving in the left direction.

Solution:

Sansa has the siamese (conjoined) twin sister.

Solution:

From top to bottom, the flavors are :

nutty-chocolate
peppermint
orange
Jamaica
walnut

Solution:

The stranger said that he thought the room was his. If so, he must have had the keys to the room and thus he must not have knocked.