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There's three bags of marbles. One back contains black, one contains white and one contains black AND white. Each bag is labelled INCORRECTLY. You are to label the bags correctly by only drawing one marble from one bag. Which bag do you draw from? a) bag labelled 'white' b) bag labelled 'black' c) bag labelled 'white and black' d) none of the above
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PMO/Applications Support

Interviewed at FDM Group

3.1★
Oct 18, 2013

There's three bags of marbles. One back contains black, one contains white and one contains black AND white. Each bag is labelled INCORRECTLY. You are to label the bags correctly by only drawing one marble from one bag. Which bag do you draw from? a) bag labelled 'white' b) bag labelled 'black' c) bag labelled 'white and black' d) none of the above

Problem solving: 1. Given a no. Find next highest no. containing same digits. 2. Given a array and a value k. Find all unique pairs that sums up to k. 3. Anagram check. 4. Given a array, i, j. Find all nos. such that j > i and array[j] > array[i]. 5. Boolean matrix problem. make all the values in a row or column as '1' if there is at least one '1' in that row or column. 6. Given a array where consecutive digits differences out to particular set of values and no. 'k'. Find the index of 'k'. Use hashing. Scripting: 1. Given a log file containing req ID and time consumed. Find all req. IDs consuming time more than certain seconds. Red ID: xyz Time: 10 2. Given a file containing 'Stundent,Marks'. Sum the marks of students and display totals marks student wise. I/P: Stud1,20 Stud2,30 Stud1,10 Stud2,30 O/P: Stud1,30 Stud2,60
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Applications Engineer

Interviewed at Amazon

3.5★
May 1, 2016

Problem solving: 1. Given a no. Find next highest no. containing same digits. 2. Given a array and a value k. Find all unique pairs that sums up to k. 3. Anagram check. 4. Given a array, i, j. Find all nos. such that j > i and array[j] > array[i]. 5. Boolean matrix problem. make all the values in a row or column as '1' if there is at least one '1' in that row or column. 6. Given a array where consecutive digits differences out to particular set of values and no. 'k'. Find the index of 'k'. Use hashing. Scripting: 1. Given a log file containing req ID and time consumed. Find all req. IDs consuming time more than certain seconds. Red ID: xyz Time: 10 2. Given a file containing 'Stundent,Marks'. Sum the marks of students and display totals marks student wise. I/P: Stud1,20 Stud2,30 Stud1,10 Stud2,30 O/P: Stud1,30 Stud2,60

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