Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
How many ways can you choose 2 fruits from 3 types if repetitions are allowed?
💡 Hint: Use the formula C(n+r-1, r)
Question 2
Easy
Calculate the combinations of selecting 4 candies from 2 types.
💡 Hint: Think of 'bars' to separate candy types.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does combinations with repetitions mean?
💡 Hint: Think about choosing items where order doesn’t matter, but you can select duplicates.
Question 2
True or False: In combinations with repetitions, the order of selection matters.
- True
- False
💡 Hint: Recall that combinations focus on selection not arrangement.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You need to select a committee of 4 from 3 distinct departments ensuring each department is represented. Calculate the possible setups.
💡 Hint: Use the stars and bars method with the added representation of departments.
Question 2
In a garden, you want to plant 10 flowers using 3 types that can be repeated. How many arrangements are possible?
💡 Hint: This is akin to distributing the flowers into types using combinations.
Challenge and get performance evaluation