Google interview questions

67 questions34 coding7 system design26 behavioral14 freeUpdated

This is every question in the Google guide, in one list: 34 coding problems, 7 system designs and 26 behavioral questions, drawn from what candidates report about Google interviews.

Each row shows the round it comes from and links to the lesson that works through it. 14 are free to read in full. The other 53 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

Google coding interview questions

34 problems, in the order the guide teaches them. Each lesson gives the full problem, a worked solution and the follow-ups interviewers tend to add.

1Two Sum: One-Pass Hash MapFreeEasyArrays, Strings & Hashing
2Longest Consecutive Sequence: Hash Set Run-StartsFreeMediumArrays, Strings & Hashing
3Valid Parentheses: Stack MatchingFreeEasyArrays, Strings & Hashing
4Maximal Rectangle: Monotonic StackFreeHardArrays, Strings & Hashing
5Rearrange Spaces: Even DistributionFreeEasyArrays, Strings & Hashing
6Text Justification: Greedy FillFreeHardArrays, Strings & Hashing
7Container With Most Water: Opposing PointersFreeMediumTwo Pointers & Sliding Window
83Sum: Sort Then Two PointersFreeMediumTwo Pointers & Sliding Window
9Trapping Rain Water: Two PointersFreeHardTwo Pointers & Sliding Window
10Longest Substring Without Repeating Characters: Sliding WindowFreeMediumTwo Pointers & Sliding Window
11Premium medium problemMediumBinary Search
12Premium medium problemMediumBinary Search
13Premium hard problemHardBinary Search
14Number of Islands: On a Binary TreeFreeMediumGraphs & Grids
15Rotting Oranges: Multi-Source BFSFreeMediumGraphs & Grids
16Build Target Ordering: Course ScheduleFreeMediumGraphs & Grids
17Premium medium problemMediumTrees
18Premium hard problemHardTrees
19Premium medium problemMediumTrees
20Premium medium problemMediumBacktracking
21Premium medium problemMediumBacktracking
22Premium medium problemMediumBacktracking
23Premium medium problemMediumBacktracking
24Premium medium problemMediumDynamic Programming
25Premium medium problemMediumDynamic Programming
26Premium medium problemMediumDynamic Programming
27Premium medium problemMediumHeaps & Intervals
28Premium medium problemMediumHeaps & Intervals
29Premium hard problemHardHeaps & Intervals
30Premium medium problemMediumHeaps & Intervals
31Premium medium problemMediumHeaps & Intervals
32Premium medium problemMediumHeaps & Intervals
33Premium medium problemMediumDesign & Data Structures
34Premium medium problemMediumDesign & Data Structures

Google system design interview questions

7 designs, each worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Design YouTubeFree
2Design a Social Feed (Premium)
3Design Maps Nearby (Premium)
4Design Ad-Click Top-K (Premium)
5Design Notifications (Premium)
6Design Search Autocomplete (Premium)
7Design Google Docs (Premium)

A lock means the design is named here and its walkthrough is Premium.

Google behavioral interview questions

26 questions, grouped by what the interviewer is testing. The lesson explains why each one gets asked and what a strong answer covers.

Comfort with ambiguity (4)

All 4 are Premium

Emergent leadership (4)

All 4 are Premium

Conflict & disagreement (4)

All 4 are Premium

Feedback & humility (3)

All 3 are Premium

Collaboration & cross-functional work (4)

All 4 are Premium

User focus & doing the right thing (3)

All 3 are Premium

Failure & resilience (4)

All 4 are Premium

Read the Google behavioral questions

See all 67 Google questions by name

Premium opens the 53 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

Common questions

How many questions are in the Google interview guide?

67: 34 coding problems, 7 system designs and 26 behavioral questions. The guide was last updated in November 2026.

Which rounds do these Google interview questions come from?

All 34 coding problems come from the coding rounds. The 7 system designs and 26 behavioral questions come from the system design and behavioral rounds. Every row in the list carries its round, so you can start with the one you have booked.

Which Google interview questions are free?

14 of the 67 are free to read in full, marked Free in the list. The other 53 come with Premium, which also opens all 100 company guides.