This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 9 Sequences And Series – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 9 Sequences And Series Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Evaluate the geometric series described.3+15+75+375+ ..... , n=6 A) $11718$. B) 11718 Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $11718$. 2. It is a sequence wherein the terms are generated by adding a constant number called common difference. A) Arithmetic Sequence. B) Fibonacci Sequence. C) Geometric Sequence. D) Harmonic Sequence. Show Answer Correct Answer: A) Arithmetic Sequence. 3. Evaluate the arithmetic series described:28 + 38 + 48 + 58 ..... , n=7 A) 1644. B) 812. C) 406. D) 3290. Show Answer Correct Answer: C) 406. 4. Find the sum of the 1st 20 terms:2+5+8+ ..... A) 1220. B) 610. C) 600. D) 612. Show Answer Correct Answer: B) 610. 5. Find the sum of the first 9 terms:-2 +-6 +-18 + ..... A) -59, 048. B) -39, 366. C) -19, 682. D) -4, 374. Show Answer Correct Answer: C) -19, 682. 6. What is the 4$^{th}$ term ..... 3, 6, 12, ..... A) 24. B) 21. C) All the above. D) None of the above. Show Answer Correct Answer: A) 24. 7. Find S$_{n}$ for the given series:a$_{1}$=22d=-8n=21 A) 1911. B) -2346. C) -1449. D) -1218. Show Answer Correct Answer: D) -1218. 8. Find the 13th term:2, 6, 18, 54, ..... A) 1, 000, 000. B) 1, 062, 882. C) 123, 587. D) 5 bazillion. Show Answer Correct Answer: B) 1, 062, 882. 9. After knee surgery, your trainer tells you to return to your jogging program slowly. He suggests jogging for 12 minutes each day for the first week. Each week thereafter, he suggests that you increase that time by 6 minutes per day.How many weeks will it be before you are up to jogging 60 minutes per day? A) 7 weeks. B) 8 weeks. C) 9 weeks. D) 10 weeks. Show Answer Correct Answer: C) 9 weeks. 10. Identify the degree of the expression3x-2 A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 11. Evaluate the geometric series below:-4-8-16-32 ..... , S$_{6}$ A) -253. B) -252. C) 4. D) -235. Show Answer Correct Answer: B) -252. 12. Find the next three terms in the sequence.10, 20, 40, 80, ..... A) 160, 320, 640. B) 90, 100, 110. C) 40, 20, 10. D) 81, 82, 83. Show Answer Correct Answer: A) 160, 320, 640. 13. A theater has 60 seats in the first row, 68 seats in the second row, 76 seats in the third row, and so on in the same increasing pattern.If the theater has 20 rows of seats, how many seats are in the 20th row of the theater? A) 172 seats. B) 180 seats. C) 188 seats. D) 212 seats. Show Answer Correct Answer: D) 212 seats. 14. A$_{n}$ = a$_{1}$ * (r)$^{n-1}$ What formula is this? A) Explicit Arithmetic Formula. B) Explicit Geometric Formula. C) Finite Arithmetic Series Formula. D) Finite Geometric Series Formula. Show Answer Correct Answer: B) Explicit Geometric Formula. 15. Write the first five terms of the sequencet$_{n}$= 9-3n A) 6, 3, 0, -3, -6. B) 9, 12, 15, 18, 21. C) 9, 18, 27, 36, 45. D) I need tutoring. Show Answer Correct Answer: A) 6, 3, 0, -3, -6. 16. Find the value of k so that the terms 2k +1, 3k + 4 and 7k + 6 form a geometric sequence. A) -2 ;-1. B) 2 ;-1. C) -2 ; 1. D) 2 ; 1. Show Answer Correct Answer: B) 2 ;-1. 17. Evaluate S$_{8}$:2 + 6 + 10 + 14 + ..... A) 128. B) 494. C) 256. D) 255. Show Answer Correct Answer: A) 128. 18. Find the sum:$\sum_{n=1}^{34}\left(-17+8n\right)$ A) $4182$. B) $3806$. C) $4074$. D) $4468$. Show Answer Correct Answer: A) $4182$. 19. Write a recursive rule for the sequence a$_{n}$ = 17 + (n-1)(-16) A) A$_{1}$ = 17a$_{n}$ = a$_{n-1}$ + 16. B) A$_{1}$ = 17a$_{n}$ = a$_{n-1}$-17. C) A$_{1}$ = 17a$_{n}$ = a$_{n-1}$-15. D) A$_{1}$ = 17a$_{n}$ = a$_{n-1}$-16. Show Answer Correct Answer: D) A$_{1}$ = 17a$_{n}$ = a$_{n-1}$-16. 20. In an arithmetic sequence, the fifth term is 34 and the tenth term is 43. Find the sum of the first 20 terms of the sequence. A) 878. B) -878. C) 787. D) -787. Show Answer Correct Answer: A) 878. 21. Determine the 5th partial sum ( $S_5$ A) 1331. B) 891. C) 143. D) 134 469. Show Answer Correct Answer: A) 1331. 22. What is the fourth term of the sequence defined by u$_{1}$ = 3, u$_{n+1}$ = u$_{n}$-7 A) -1. B) -6. C) -18. D) -10. Show Answer Correct Answer: C) -18. 23. Find the sum of the infinite series $22+11+5.5+ ..... $ A) 40. B) 44. C) 50. D) Does not exist. Show Answer Correct Answer: B) 44. 24. Find the 20th term in the sequence, -3, -7, -11, -15, -19, ..... A) -75. B) -79. C) -83. D) -87. Show Answer Correct Answer: B) -79. 25. What do you call a sequence in which in which there is a common ratio between any consecutive terms? A) Arithmetic Sequence. B) Arithmetic Series. C) Geometric Sequence. D) Geometric Series. Show Answer Correct Answer: C) Geometric Sequence. ← 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