Label the Box

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?




Similar Riddles

Can you find the hidden animal in the picture below?

Find Animal In Picture Riddle

Asked by Neha on 14 Apr 2021


I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

Asked by Neha on 30 Oct 2024

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

Asked by Neha on 17 Apr 2024


A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

Asked by Neha on 26 Mar 2023

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Asked by Neha on 08 May 2023

Why did the Girl throw the butter out of the window?

Asked by Neha on 19 Aug 2024


Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

Asked by Neha on 01 Aug 2024

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Asked by Neha on 01 Oct 2021

The more of this there is, the less you see. What is it?

Asked by Neha on 19 May 2022


Can you spot the man between the coffee bean in the picture below ?

Spot the Man

Asked by Neha on 31 Aug 2021

Hot Articles

Amazing Facts

Crossword

The day before the 1996 U.S. presidential election, the NYT Crossword contained the clue “Lead story in tomorrow’s newspaper,” the puzzle was built so that both electoral outcomes were correct answers, requiring 7 other clues to have dual responses.