REAL EVENTS · CBSE 083 & 065
Live Challenge History
KVCoders conducts regular, timed Live Challenges for CBSE Class 11 & 12 Computer Science and Informatics Practices — everyone answers the same question at the same time. Browse what's coming up, and review the real questions from challenges that have already run.
Upcoming Live Challenges
Scheduled
Mixed: Tuples + Dictionary + Modules
Scheduled
DQL — BETWEEN + Logical Operators
Scheduled
Mixed: DML + Retrieval - Combined Application
Scheduled
Network Types
Scheduled
Challenge: Lists + Strings
Scheduled
DQL — NULL Handling
Scheduled
Network Devices & Topologies
Scheduled
Aggregate Functions + Grouping
Scheduled
Challenge: Dictionary + Loops
Scheduled
Mixed: DDL + DML + DQL
Scheduled
Joins
Scheduled
Internet, Website, Browsers
Scheduled
Challenge: full Unit 2 mixed
Scheduled
Unit 3 comprehensive revision
Scheduled
Unit 3 revision
Scheduled
Python-SQL Interface
Scheduled
Full revision: Units 1 + 2
Scheduled
Emerging Trends — AI/ML/Robotics
Scheduled
Unit 3 comprehensive revision
Scheduled
Digital Footprint & Etiquette
Scheduled
Challenge: Strings + Tuples + Dictionary
Scheduled
Emerging Trends — Data/Cloud/Connectivity
Scheduled
Data Protection & IPR
Scheduled
Challenge: Functions + Files
Scheduled
Challenge: control flow + Lists
Scheduled
Full revision: Units 1 + 4
Scheduled
Challenge: Joins + Aggregates
Scheduled
Cybercrime, IT Act, E-Waste, Health
Scheduled
Comprehensive revision
Scheduled
Comprehensive revision: Python + SQL
Scheduled
Comprehensive revision: Pandas + SQL
Scheduled
Comprehensive revision: Unit 1 + Unit 3 (weighted toward Unit 1)
Scheduled
Final challenge
Scheduled
Final challenge — full syllabus mixed
Scheduled
Final challenge: full syllabus mixed (Unit 1 + Unit 3)
Scheduled
Final challenge — full syllabus mixed
Past Live Challenges
Completed
Python Fundamentals & Control Flow
Completed
Unit 2 comprehensive revision
Completed
Retrieval Refinement
Completed
Python Modules
Completed
DQL — Select Basics
Completed
DML - Select Basics
Completed
Equi-Join
Completed
DML — Insert/Update/Delete
Completed
Dictionary
Completed
DML - Insert/Update/Delete
Completed
Ordering
Completed
Tuples
Completed
DDL — Alter/Drop
Completed
DDL — Alter/Drop
Completed
Grouping & Having
Completed
Revision - fundamentals through Lists
Completed
SQL Introduction + DDL
Completed
Mixed: Functions revision
Completed
DDL — Create
Completed
Mixed - Strings and Lists
Completed
Keys
Completed
Keys
Completed
Aggregate Functions
Completed
Database Concepts
Completed
Lists - built-ins and nesting
Completed
DB Concepts + Relational Model
Completed
Date Functions
Completed
Lists - basics
Completed
Unit 2 comprehensive revision
Completed
Unit 1 Comprehensive Revision (Functions + Exceptions + Files + Stack)
Completed
Text Functions — Extraction & Trim
Completed
Strings - built-in methods
Completed
NumPy Introduction
Completed
Text Functions — Case & Length
Completed
Stack - Applications
Completed
Strings - indexing/slicing
Completed
Dictionary — built-ins
Completed
Stack - Concepts
Completed
Math Functions
Completed
Dictionary — basics
Completed
Mixed: conditionals + loops
Completed
Mixed: Text + Binary + CSV revision
Completed
Revision: Class 11 SQL recap
Completed
Loop Control + Nesting
Completed
Lists — built-ins
Completed
CSV Files - csv module
Completed
Data Visualization — Histogram + Unit 1 Revision
Completed
Iterative Statements
Completed
Lists — basics
Completed
Data Visualization — Line + Bar
Completed
Binary Files - pickle module
Completed
Conditional Statements
Completed
Mixed: conditionals + loops
Completed
Text Files - read/write/seek
Completed
Import/Export with CSV
Completed
Loops
Completed
Revision: Fundamentals + Errors
Completed
File Handling Intro + Text Files
Completed
DataFrame — Label Indexing & Boolean Indexing
Completed
Expressions, Type Conversion, I/O
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