That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

By moving just one matchstick, you need to make the below statement true. Can you do it?

People make me, save me, change me, raise me. What am I?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

What has many keys but can’t open a single lock?