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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
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a strictly increasing sequence.
💡 Hint: Think about a ladder.
Question 2
Easy
What does a subsequence mean?
💡 Hint: It's like taking steps, skipping some.
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 type of sequence has all numbers increasing?
- Strictly Decreasing
- Strictly Increasing
- Non-Strict
💡 Hint: Consider the sequence like stairs going up.
Question 2
True or False: A subsequence can skip elements.
- True
- False
💡 Hint: Think about selecting without restricting proximity.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a sequence of 10 random integers, prove that there exists a strictly increasing or decreasing subsequence with length 5.
💡 Hint: Break down the numbers into subsequences and analyze their lengths.
Question 2
Create a sequence of 12 distinct numbers and identify an increasing or decreasing subsequence of at least 7 numbers.
💡 Hint: Try ascending and descending order to guide your selection.
Challenge and get performance evaluation