Tricky Problem On Probability

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?




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Five lovely ladies(Sophia, Isabella, Madison, Emma and Olivia) planned a picnic.

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Sophia, Emma and Olivia got a drink : orange-Juice, apple-juice, and mango-juice.
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Artificial Intelligence

Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.