Solve this riddle by finding the odd one out from the rest.

What jumps when it walks and sits when it stands?

What always comes into a house through the keyhole?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Three people check into a hotel. They pay $60 for the rent of the room. After they check-in, the manager realize that the rent for the room is $55. So, he gives $5 to the bellboy and asks him to give it to them. The bellboy thinks that it will be difficult for the three people to share $5 among them and seeking the personal benefit, he pockets $2 and gives the remaining $3 to them.

Now, each person paid $20 and got back $1. In this manner, each of them paid just $19 which totals to the amount of $57. The bellboy has $2 with him and adding them, we get $59. So where is the remaining $1?

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

How can a man go eight days without sleep?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?