aggregation Coding Problems

All C# Programs — Data Structures 167 DSA — Dynamic Programming 105 DSA — Sorting 105 DSA — Two Pointers 105 C# Programs — Strings 105 DSA — Binary Search 105 DSA — Hashing 105 DSA — Arrays 105 DSA — Graphs 105 C# Programs — Arrays 105 DSA — Trees 105 DSA — Strings 105 DSA — Stacks & Queues 105 C# Programs — LINQ 104 C# Programs — Sorting 103 C# Programs — OOP 103 C# Programs — Collections 103 C# Programs — Interfaces 101 SQL Server — T-SQL procedures 101 SQL Server — SELECT basics 101 SQL Server — CTEs 101 C# Programs — Inheritance 101 SQL Server — Subqueries 101 SQL Server — JOINs 101 SQL Server — WHERE & filtering 101 SQL Server — Indexes & plans 101 SQL Server — Aggregates & GROUP BY 101 SQL Server — DDL & constraints 101

51 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
1	Average salary by department	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
2	MongoDB aggregation #1	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
3	MongoDB aggregation #2	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
4	MongoDB aggregation #3	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
5	MongoDB aggregation #4	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
6	MongoDB aggregation #5	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
7	MongoDB aggregation #6	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
8	MongoDB aggregation #7	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
9	MongoDB aggregation #8	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
10	MongoDB aggregation #9	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
11	MongoDB aggregation #10	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
12	MongoDB aggregation #11	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
13	MongoDB aggregation #12	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
14	MongoDB aggregation #13	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
15	MongoDB aggregation #14	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
16	MongoDB aggregation #15	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
17	MongoDB aggregation #16	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
18	MongoDB aggregation #17	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
19	MongoDB aggregation #18	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
20	MongoDB aggregation #19	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
21	MongoDB aggregation #20	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
22	MongoDB aggregation #21	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
23	MongoDB aggregation #22	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
24	MongoDB aggregation #23	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
25	MongoDB aggregation #24	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
26	MongoDB aggregation #25	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
27	MongoDB aggregation #26	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
28	MongoDB aggregation #27	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
29	MongoDB aggregation #28	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
30	MongoDB aggregation #29	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
31	MongoDB aggregation #30	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
32	MongoDB aggregation #31	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
33	MongoDB aggregation #32	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
34	MongoDB aggregation #33	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
35	MongoDB aggregation #34	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
36	MongoDB aggregation #35	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
37	MongoDB aggregation #36	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
38	MongoDB aggregation #37	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
39	MongoDB aggregation #38	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
40	MongoDB aggregation #39	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
41	MongoDB aggregation #40	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
42	MongoDB aggregation #41	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
43	MongoDB aggregation #42	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
44	MongoDB aggregation #43	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
45	MongoDB aggregation #44	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
46	MongoDB aggregation #45	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
47	MongoDB aggregation #46	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
48	MongoDB aggregation #47	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
49	MongoDB aggregation #48	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve
50	MongoDB aggregation #49	MongoDB — Aggregation mongodb coding-practice	—	30	Medium	Solve

Problem of the day

Minimum Interval to Include Each Query

Hard · +15 pts

Solve today

Weekly leaderboard

View all

Be the first to climb the board this week.

Company sheets

Toolliyo unique — practice by hiring company.

Google Amazon Microsoft Meta Apple Netflix TikTok LinkedIn Nvidia Uber

Browse all companies

Interview path

DSA Interview 150 All roadmaps 3,700+ Interview Q&A

Problems explorer