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Prateek not qualifying in Code Wars 2008 because he got 6x9 wrong is a hilariously tragic story. I felt bad for him...but it's admittedly funny too. 
You know what's worse than hearing the same terrible joke over and over? People not getting the joke. Read The Hitchhiker's guide to the galaxy, you'll get why 6 by 9 is 42.
The answer to the Ultimate question of life, the universe and everything.
Never saw this thread before! This is hilarious!
Wonder why Prateek didn't write 42 when he knew about it?
@Aditya - Yes even I dont know why. I absolutely knew it. But I thought too much and gave a ROTFL answer - 54 (Which technically is correct!)