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Logic Amazon Aptitude Interview Puzzle

Logic Amazon Aptitude Interview Puzzle - 8 March

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same color?

For Solution : Click Here

9 comments:

  1. 13. The first 12 balls could be 3 red, 3 blue, 3 green, 3 yellow, at which point the 13th will give you 4 the same.

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  2. Replies
    1. Bharath Ganji,Rack your brains.How could be sure that your first four choices would be correctly the balls of same colour?

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    2. Bharath Ganji rock...............

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    3. Because it doesn't say you can't look at the balls

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  3. 4 because it says minimum no. of balls not maximum

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