One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Can you name an animal whose killing cannot be performed without spilling your own blood?

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

How many times can you subtract the number two from the number fifty?

Prove that twice of ten is the same as twice of eleven.

A fresher was sitting in an interview. The interviewer said, "This is the last question of your interview. Tell me the accurate position of the centre of this table where your resume is kept."

How can he answer this question? What will you have answered to such a question?

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