How is the moon similar to a dollar?

Can it be possible to build a house that has all its four walls facing towards the South?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

What is at the end of a rainbow?

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

Queen Elizabeth organised a royal party.

To Avoid uninvited guest royal family set a password.
Jack (an uninvited person) plan to enter the party. He stand nearby the door.

First guest comes, the security person said 'twelve' and guest replied with six.
Second guest comes , the security person said 'six' and guest replied with 'three'.

Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
He was immediately thrown out of the party. why ?

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?

How can you tell a raw egg from a hard-boiled egg?

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