Company interviews / BlackRock
BlackRock interview practice
14 coding questions are known to come up in BlackRock interviews (6 easy, 7 medium, 1 hard), 3 of them in the last six months. The most common topics are Array, Hash Table, String, Math.
14Known questions
3Asked in last 6 months
7Medium
1Hard
Coding questions BlackRock asks
From public company-tagged interview question lists. Most recent and most frequent first.
Easy 6Medium 7Hard 1
- Array7
- Hash Table5
- String4
- Math4
- Dynamic Programming4
- Tree3
- Depth-First Search3
- Two Pointers3
- Bit Manipulation3
- Sorting3
- Binary Tree2
- Binary Search2
| Question | Difficulty | Asked recently |
|---|---|---|
| Valid Parentheses | Easy | Yes |
| Lowest Common Ancestor of a Binary Tree | Medium | Yes |
| Lowest Common Ancestor of a Binary Search Tree | Medium | Yes |
| Happy Number | Easy | — |
| Find the Maximum Sum of Node Values | Hard | — |
| Group Anagrams | Medium | — |
| Best Time to Buy and Sell Stock | Easy | — |
| Find the Duplicate Number | Medium | — |
| Missing Number | Easy | — |
| Number of Islands | Medium | — |
| Climbing Stairs | Easy | — |
| Integer to Roman | Medium | — |
| Longest Palindromic Substring | Medium | — |
| Two Sum | Easy | — |
Practice a BlackRock interview
Take the same AI interview a BlackRock candidate would face: you talk it through while you code, and get a scorecard with what earned each score. Three single-question interviews a day are free.