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
What is the common difference in the A.P. 3, 6, 9, 12?
💡 Hint: Subtract any two consecutive terms.
Question 2
Easy
Find the 5th term of A.P. 1, 4, 7.
💡 Hint: Use the nth term formula.
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 is the common difference in the A.P. 4, 8, 12, 16?
- 2
- 4
- 5
💡 Hint: Subtract the first term from the second.
Question 2
The formula for the sum of the first n terms is S_n = ...
💡 Hint: Think about average times the number of terms.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An A.P. starts at 10 and continues with a common difference of 4. What is the sum of the first 20 terms?
💡 Hint: Remember to calculate the n-th term first for accurate summation.
Question 2
If the 5th term of an A.P. is 25 and the 10th term is 50, find the common difference.
💡 Hint: Set up equations for both terms and eliminate 'a' to solve for 'd'.
Challenge and get performance evaluation