This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 9 Sequences And Series – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 9 Sequences And Series Quiz 41 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Find the nth partial sum of the geometric series with a1 = 5, r = 3, n = 4. A) 187. B) 234. C) 197. D) 200. Show Answer Correct Answer: D) 200. 2. Find the sum:1 + 4 + 7 + ..... + 142 A) 5432. B) 2434. C) 3432. D) 2964. Show Answer Correct Answer: C) 3432. 3. Which sequence is arithmetic? A) 4, 8, 16, 32, 64, . B) 4, 6, 10, 12, 16, . C) 4, 1, -2, -5, -8, . D) 4, 2, 1, 1/2, 1/4, . Show Answer Correct Answer: C) 4, 1, -2, -5, -8, . 4. Find the Future value of an investment of $ 8 500 at an interest rate of 4.5% compounded annually, after 10 years. A) $ 13 200.24. B) $ 13 052.27. C) $ 5 363.55. D) $ 21 530.11. Show Answer Correct Answer: A) $ 13 200.24. 5. Given:14, 17, 31, ..... What is the next term of the sequence? A) 48. B) 45. C) 37. D) 34. Show Answer Correct Answer: A) 48. 6. The second term of the arithmetic sequence is 5 and the fifth term is 14.The 20th term of the arithmetic sequence is ..... A) 62. B) 63. C) 59. D) None of the above. Show Answer Correct Answer: C) 59. 7. Find the sum of the arithmetic progressions 7, 9, 11, ..... , 79. (Hint:find Tn first) A) 1591. B) -1591. C) -1590. D) 1590. Show Answer Correct Answer: A) 1591. 8. Find the sum of all multiples of 3 between 100 and 400. A) 25, 150. B) 25, 100. C) 25, 050. D) 25, 000. Show Answer Correct Answer: C) 25, 050. 9. What is the next term in the geometric sequence 4, -16, 64, ..... ? A) -128. B) -192. C) -256. D) -266. Show Answer Correct Answer: C) -256. 10. What is the fourth term of the sequence defined by a$_{1}$ = 3, a$_{n}$ = a$_{n-1}$-7 A) -1. B) -6. C) -18. D) -10. Show Answer Correct Answer: C) -18. 11. Find the first four terms of the sequence given the rule:g$_{n}$ = 4(5)$^{n-1}$ A) 20, 100, 500, 2500. B) 5, 20, 80, 320. C) 4, 20, 100, 500. D) 4, 9, 14, 19. Show Answer Correct Answer: C) 4, 20, 100, 500. 12. Write a recursive formula for the following sequence:10, 5, 0, -5, ..... A) A$_{1}$= 10a$_{n}$= a$_{n-1}$-5. B) A$_{1}$= 10a$_{n}$= a$_{n-1}$ + 5. C) A$_{1}$= 10a$_{n}$= a$_{n}$ (5). D) A$_{1}$= 10a$_{n}$= a$_{n-1}$ (5). Show Answer Correct Answer: A) A$_{1}$= 10a$_{n}$= a$_{n-1}$-5. 13. Find the sum of the infinite geometric series:1 + 1/5 + 1/25 + ..... A) 5/4. B) 9/5. C) 5/6. D) 65/27. Show Answer Correct Answer: A) 5/4. 14. The sum of the first 6 terms of an arithmetic sequence is-42. If the 17th term of the sequence is-88, then the common difference of the sequence is A) -8. B) -6. C) 6. D) 8. Show Answer Correct Answer: B) -6. 15. A polynomial consisting of 1 term is known as a ..... A) Monomial. B) Binomial. C) Trinomial. D) Astronomial. Show Answer Correct Answer: A) Monomial. 16. Find a$_{20}$ in the arithmetic sequence:5, 12, 19, 26 ..... A) 145. B) 144. C) 142. D) 138. Show Answer Correct Answer: D) 138. 17. What type of sequence is this:1, 5, 25, 125, 625, 3125, ..... A) Geometric. B) Arithmetic. C) Quadratic. D) None of the above. Show Answer Correct Answer: A) Geometric. 18. What is the common difference of this arithmetic sequence? 1, 4, 7, 10, ..... A) 3. B) 2. C) 4. D) 5. Show Answer Correct Answer: A) 3. 19. What is the explicit formula for an arithmetic sequence? A) A(n-1) + f. B) A(n-1) + r. C) A$_{1}$(r)$^{n-1}$. D) A$_{1 +}$(n-1)(d). Show Answer Correct Answer: D) A$_{1 +}$(n-1)(d). 20. Find the 4th term for the sequence defined by a$_{1}$=9; a$_{n}$=a$_{n-1}$+8 A) 35. B) 17. C) 41. D) 33. Show Answer Correct Answer: D) 33. 21. Ms Preston works in a gym. At the start of her shift there were 20 people in the gym. Every hour five more people came into the gym. If Ms Preston worked for 4 hours how many people were in the gym at the end of her shift? A) 80 people. B) 40 gyms. C) 40 people. D) 80 gyms. Show Answer Correct Answer: C) 40 people. 22. Find the next two numbers in the sequence below:4, 7, 10, 13, ..... , ..... A) 16 and 18. B) 15 and 19. C) 16 and 19. D) 15 and 18. Show Answer Correct Answer: C) 16 and 19. 23. What is the fifth term of the geometric sequence?5, 15, 45, ..... A) 135. B) 1875. C) 1215. D) 405. Show Answer Correct Answer: D) 405. 24. A display of cans on a grocery shelf consists of 20 cans on the bottom, 18 cans in the next row, 16 cans in the next row and so on in an arithmetic sequence, until the top row has 4 cans.How many rows are there on the display? A) 7 rows. B) 8 rows. C) 9 rows. D) 10 rows. Show Answer Correct Answer: C) 9 rows. 25. Insert three arithmetic means between 23 and 7. A) 20, 16, 12. B) 19, 15, 11. C) 18, 14, 10. D) None of these. Show Answer Correct Answer: B) 19, 15, 11. ← PreviousNext →Related QuizzesClass 11 Mathematics Chapter 9 Sequences And Series Quiz 1Class 11 Mathematics Chapter 9 Sequences And Series Quiz 2Class 11 Mathematics Chapter 9 Sequences And Series Quiz 3Class 11 Mathematics Chapter 9 Sequences And Series Quiz 4Class 11 Mathematics Chapter 9 Sequences And Series Quiz 5Class 11 Mathematics Chapter 9 Sequences And Series Quiz 6Class 11 Mathematics Chapter 9 Sequences And Series Quiz 7Class 11 Mathematics Chapter 9 Sequences And Series Quiz 8Class 11 Mathematics Chapter 9 Sequences And Series Quiz 9Class 11 Mathematics Chapter 9 Sequences And Series Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books