A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Can you solve below mathematical equation?

2^1234 - 2^1233

Find the missing number in the sequence below:

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

I am sure no one can have two things for dinner. what are they?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?