This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 9 Sequences And Series – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 9 Sequences And Series Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. David owns a chain of fast food restaurants that operated 200 stores in 1999. If the rate of increase is 7% annually, how many stores does the restaurant operate in 2007?What would you use for your exponent in this problem? A) 1999. B) 2007. C) 7. D) 8. Show Answer Correct Answer: D) 8. 2. Find the next for terms in the sequence-26, -33, -40 ..... A) -33, -26, -19, -12. B) -47, -54, -61, -68. C) -54, -68, -82, -96. D) -7, -14, -21, -28. Show Answer Correct Answer: B) -47, -54, -61, -68. 3. If three geometric means are inserted between 162 and 2, what is the first geometric mean? A) 6. B) 8. C) 54. D) 18. Show Answer Correct Answer: C) 54. 4. Which of these films had the biggest opening weekend of 2015? A) Jurassic World. B) Star Wars:The Force Awakens. C) Mad Max:Fury Road. D) Avengers:Age of Ultron. Show Answer Correct Answer: B) Star Wars:The Force Awakens. 5. Write the recursive formula:13, 22, 31, 40, ..... A) A$_{n}$ = a$_{n-1}$ + 11, a$_{1}$ = 13. B) A$_{n}$ = a$_{n-1}$ + 9, a$_{1}$ = 31. C) A$_{n}$ = a$_{n-1}$ + 9, a$_{1}$ = 22. D) A$_{n}$ = a$_{n-1}$ + 9, a$_{1}$ = 13. Show Answer Correct Answer: D) A$_{n}$ = a$_{n-1}$ + 9, a$_{1}$ = 13. 6. Find the sum of the 1st 100 terms:100+98+96+ ..... A) 100. B) 1000. C) 50. D) -98. Show Answer Correct Answer: A) 100. 7. Find the sum of the first 20 terms of geometric progressions 81, 27, 9, 3, ..... A) 120.5. B) 121.5. C) -120.5. D) -121.5. Show Answer Correct Answer: B) 121.5. 8. The first term of an arithmetic sequence is 2 while the 18th term is 87. Find the common difference of the sequence. A) 7. B) 6. C) 5. D) 3. Show Answer Correct Answer: C) 5. 9. Find the sum of the first 6 terms of the sequence:a = 100 (1/2)$^{n-1}$ A) 100000. B) 1575/8. C) 300. D) 250. Show Answer Correct Answer: B) 1575/8. 10. Determine if the following sequence is arithmetic or geometric.4, 9, 14, 19, 24, ..... A) Arithmetic. B) Geometric. C) All the above. D) None of the above. Show Answer Correct Answer: A) Arithmetic. 11. Write an explicit formula for the sequence 1.5, 2.0, 2.5, 3.0, ..... Hint:The sequence is arithmetic so use this formula:$a_n=a_1+d\left(n-1\right)$ A) $a_n=1.5+0.5\left(n-1\right)$. B) $a_n=1.5-0.5\left(n-1\right)$. C) $a_n=0.5+1.5\left(n-1\right)$. D) $a_n=0.5-1.5\left(n-1\right)$. Show Answer Correct Answer: A) $a_n=1.5+0.5\left(n-1\right)$. 12. The second and third term of a geometric sequence is 192 and 144 respectively, what is the common ratio? A) 1/4. B) 1/2. C) 3/4. D) 1. Show Answer Correct Answer: C) 3/4. 13. Find the first four terms of the sequence given the rule:U$_{n}$ = 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. 14. Does the sequence a$_{n}$ = 2 + (0.8)$^{n}$ converge or diverge? A) Diverge. B) Converge and the limit is 0. C) Converge and the limit is 2. D) Converge and the limit is 7. Show Answer Correct Answer: C) Converge and the limit is 2. 15. Determine if the sequence is Arithmetic, Geometric, or neither.1, 1, 2, 3, 5, 8, 13, ..... A) Arithmetic. B) Geometric. C) Neither. D) None of the above. Show Answer Correct Answer: C) Neither. 16. Given the sequence:25, 21, 17, 13, ..... Write the explicit equation that models the sequence. A) $a_n$. B) $a_n$. C) $a_n$. D) $a_n$. Show Answer Correct Answer: A) $a_n$. 17. Given the rule:a$_{n}$ = 7(1/2)$^{n-1}$Identify the common ratio. A) A$_{n}$. B) 7. C) 1/2. D) N-1. Show Answer Correct Answer: C) 1/2. 18. There are 20 rows of seats on a concert hall:25 seats are in the 1$^{st}$ row, 27 seats on the 2$^{nd}$ row, 29 seats on the 3$^{rd}$ row, and so on. How many seats are in the last row? A) 950. B) 67. C) 65. D) 63. Show Answer Correct Answer: D) 63. 19. The next two terms in the sequence 3, -6, 12, -24, ..... are A) 48 and 96. B) -48 and-96. C) -48 and 96. D) 48 and-96. Show Answer Correct Answer: D) 48 and-96. 20. Does the sequence a$_{n}$ = (2n-1)! / (2n + 1)! converge or diverge? A) Diverge. B) Converge and the limit is 1. C) Converge and the limit is 0. D) Converge and the limit is 1/4. Show Answer Correct Answer: C) Converge and the limit is 0. 21. Is the sequence arithmetic:17, 9, 1, -7, ..... A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 22. Find the n$^{th}$ term of the following sequence ..... 11, 17, 23, 29 ..... A) 6n+5. B) 6n-5. C) 5n+6. D) 5n-6. Show Answer Correct Answer: A) 6n+5. 23. Is the sequence arithmetic:-3, 3, -3, 3, ..... A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 24. Find the sum of the first 25 terms of the series:6+14+22+30+ ..... A) 450. B) 2650. C) 2550. D) 550. Show Answer Correct Answer: C) 2550. 25. A YouTube channel makes $ 50 the first week. The amount goes up 5% a week for 6 weeks. How much money will come in from the channel? (Round to the nearest penny.) A) $ 300.05. B) $ 320.15. C) $ 340.10. D) $ 370.75. Show Answer Correct Answer: C) $ 340.10. ← 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