That attorney is my brother, testified the accountant.

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

Who is lying?

What can go up a chimney down, but can’t go down a chimney up?

A bomb exploded in a room full of married couples and no one died. How?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

How can a man go eight days without sleep?

Replace the question mark with the correct number.

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

There are 100 bulbs in a room. 100 strangers have been accumulated in the adjacent room. The first one goes and lights up every bulb. The second one goes and switches off all the even-numbered bulbs - second, fourth, sixth... and so on. The third one goes and reverses the current position of every third bulb (third, sixth, ninth? and so on.) i.e. if the bulb is lit, he switches it off and if the bulb is off, he switches it on. All the 100 strangers progress similarly.

After the last person has done what he wanted, which bulbs will be lit and which ones will be switched off?