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Given an array of randomly arranged lower case letters, uppercase letters, and numbers, sort the array such that all lower case letters come before all uppercase letters, come before all numbers. The classes of characters do not need to be in order in their respective sections.
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Intern

Interviewed at Meta

3.5
Sep 12, 2015

Given an array of randomly arranged lower case letters, uppercase letters, and numbers, sort the array such that all lower case letters come before all uppercase letters, come before all numbers. The classes of characters do not need to be in order in their respective sections.

There are 50 cards of 5 different colors. It comprises of 10 Red cards, 10 blue cards, 10 orange cards, 10 green cards and 10 yellow cards. Each color will have the cards numbered between 1 to10. You pick 2 cards at random. What is the probability that they are not of same color and not of same number.
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Data Scientist

Interviewed at Meta

3.5
Jul 17, 2016

There are 50 cards of 5 different colors. It comprises of 10 Red cards, 10 blue cards, 10 orange cards, 10 green cards and 10 yellow cards. Each color will have the cards numbered between 1 to10. You pick 2 cards at random. What is the probability that they are not of same color and not of same number.

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