Q1. Write the common difference of the AP: 12, 7, 2, −3, …
Q2. Find the 5th term of the AP: 4, 9, 14, …
Q3. If the 3rd term of an AP is 10 and 5th term is 18, find the common difference.
Q4. The 1st term of an AP is 7 and common difference is 0. Write the 4th term.
Q5. Find the arithmetic mean between 8 and 20.
Q6. Find the 12th term of the AP: 5, 11, 17, …
Q7. Which term of the AP: 15, 12, 9, … will be −6?
Q8. Find the sum of the first 25 terms of the AP: 7, 10, 13, …
Q9.The sum of first 15 terms of an AP is 630 and its first term is 7. Find the common difference.
Q10. Insert 4 arithmetic means between 3 and 23.
Q11. Find the sum of the first 30 multiples of 9.
Q12. The 7th term of an AP is 32 and 13th term is 62. Find the first term, common difference, and sum of first 20 terms.
Q13. A farmer arranges trees in rows. First row has 20 trees, second 18, third 16, and so on. If the arrangement continues until a row has 0 trees, find:
(i) The number of rows
(ii) The total number of trees
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1. What is an arithmetic progression (AP) and how is it defined? | ![]() |
2. How can we find the sum of the first n terms of an arithmetic progression? | ![]() |
3. Can you provide an example of an arithmetic progression? | ![]() |
4. What are some real-life applications of arithmetic progressions? | ![]() |
5. How do you determine if a sequence is an arithmetic progression? | ![]() |