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?

What country can make you shiver?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

The more you take me, the more you leave me behind.
Who Am I?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

O_er_t_o_

Complete the missing letters of the given word.

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What is the centre of gravity?