Amura Tech 2016-17

Amura

India's largest and fastest growing - performance-driven digital marketing agency with clients from real estate, pharma, hospitality, and FMCG.

Amura Technical Interview Questions

1. Tell me something about yourself?
2. What is your BE project?
3. What is === in JavaScript?
4. What is difference between JavaScript and JQuery?
5. What are functions of JQuery?
6. How to create collection from an aggregation result of MongoDB query?

   books.aggregate( [
       { $group : { _id : "$author", books: { $push: "$title" } } }, 
       { $out : "authors" }
   ] )
   

7. What is the basic architecture behind MongoDB aggregation? Map Reduce
8. What is pipelining in MongoDB and how it is beneficial?
9. Why to use MongoDB against MySQL?
10. Puzzle: How to find the number whose occurrence in maximum in an array in O(n) complexity without using any temporary variable?
11. Puzzle: There are 3 planes having fuel capacity to revolve half of earth. If we can transfer the fuel from 1 plane to another in middle air. How can we make one of the plane to revolve 1 round of whole earth?
12. Puzzle: There is a table on which a number of coins are placed. You also know that there are as many coins with Head up as many coins with Tail up. Now you have to divide the coins (number of coins is even) into two equal piles such that number of coins with Heads up and Tails up in either piles be the same. The catch is you are blind folded and you cannot determine the sides (for sure) if you are blinded.