That attorney is my brother, testified the accountant.

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

Who is lying?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

What does below rebus means ?

If two's company, and three's a crowd, then whats four and five ?