In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

A father's child, a mother's child, yet no one's son.

Who am I?

A man dies of old age on his 25 birthday. How is this possible?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

What building has the most stories?

Solve below rebus puzzle?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?