Blackrock interview experience Real time questions & tips from candidates to crack your interview
Analyst - Intern
Blackrock
3 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 2 month
Topics: OOPS, Data Structures, Cloud Computing, Sorting algorithms, AWS platforms, Aptitude test preparation
Tip 1 : One programming language (preferrably Java or Python would work best for BlackRock interview Prep)
Tip 2 : Understanding of concepts and algorithms over rote memorization
Tip 3 : During the interview, ask what the role they're hiring for would demand, so you could prepare better before joining
Application process
Where: Campus
Eligibility: 7+ cgpa
Tip 1 : Don't lie on your resume
Tip 2 : It doesn't matter what other's are putting in their resume. I was studying AWS concepts and computer networking when others were making big data or ml projects coz that was the cool thing. Work on your genuine area of interest and there's always room for various technical profiles and skills.
Interview rounds
01
Round
Hard
Online Coding Interview
Duration60-90 minutes
Interview date2 Sep 2018
Coding problem1
Since the cutoff was only 7 cgpa, many could appear for the round. But only around 25 were shortlisted for the internship
1. Number of balanced binary trees
Easy
10m average time
90% success
0/40
Asked in companies
You are given an integer ‘N’, you are supposed to find the number of balanced binary trees with height ‘N’. Since the answer can be very large, return the answer modulo 10^9+7.
Note :
A binary tree is considered balanced if the difference between the left subtree’s height and the right subtree’s height is less than or equal to 1, for all non-leaf nodes.
Example:
Consider N=2, there are three different binary trees.
02
Round
Medium
Face to Face
Duration30 minutes
Interview date3 Sep 2018
Coding problem1
1. SQL
SQL queries using joins.
03
Round
Easy
HR Round
Duration15 minutes
Interview date3 Sep 2018
Coding problem1
1. Basic HR Questions
Tell me one problem your faced during the building of a project in your résumé and how did you solve it.
What are your hobbies?
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
Similar interview experiences
SDE - 1
4 rounds | 5 problems
Interviewed by Blackrock
Selected 
2171 views
0 comments
0 upvotes
SDE - Intern
3 rounds | 4 problems
Interviewed by Blackrock
Selected 1157 views
0 comments
0 upvotes
SDE - 1
3 rounds | 3 problems
Interviewed by Blackrock
Selected 1556 views
0 comments
0 upvotes
Analyst
3 rounds | 6 problems
Interviewed by Blackrock
Selected 1029 views
0 comments
0 upvotes