Product Engineer Interview Questions

7,929 product engineer interview questions shared by candidates

* Find the sum of digits to a single digit(i.e for n=159, the answer is 1+5+9= 15= 1+5) , most optimal solution was expected. * Find the number of pairs in array which when added gives 'X' (remove duplicate pairs) * A linked list question which needs you to use a proper data structure which uses a linked list within a linked list ( I don`t remember the exact question). * Given a 4 minute sand clock and 7 minute sand clock. how will you measure exactly 9 minutes without any delay.
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Product Developer

Interviewed at Chargebee

3.9
Aug 29, 2015

* Find the sum of digits to a single digit(i.e for n=159, the answer is 1+5+9= 15= 1+5) , most optimal solution was expected. * Find the number of pairs in array which when added gives 'X' (remove duplicate pairs) * A linked list question which needs you to use a proper data structure which uses a linked list within a linked list ( I don`t remember the exact question). * Given a 4 minute sand clock and 7 minute sand clock. how will you measure exactly 9 minutes without any delay.

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