Out of four images which one is the odd one out?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What can you deduce from the following BrainBat?

CRY
LMKI

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Can you find out the remainder when 3^300 is divided by 5?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

What do you see in the given picture?