This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 9 Sequences And Series – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 9 Sequences And Series Quiz 42 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Find the sum of the integers from 34 to 62. A) 1953. B) 2784. C) 1392. D) 3906. Show Answer Correct Answer: C) 1392. 2. What is $\sum_{n=1}^4\left[7\left(-2\right)^{\left(n-1\right)}\right]$ A) 28. B) -28. C) -35. D) 35. Show Answer Correct Answer: C) -35. 3. The sum of 7 terms of the G.P 3, 6, 12, ..... is A) 380. B) 381. C) 382. D) 379. Show Answer Correct Answer: B) 381. 4. Solve:A gardener plants 12 flowers every day. If he already has 24 flowers in his garden, how many total days will it take for him to have 108 flowers in his garden? A) 7. B) 8. C) 9. D) 10. Show Answer Correct Answer: A) 7. 5. $a_n=\left(-1\right)^n\left(2n-3\right)$ $a_{14}$ A) 25. B) -23. C) 26. D) 31. E) -3. Show Answer Correct Answer: A) 25. 6. $-3, \\6, \-12, \\24, \ ..... $ A) 3. B) -2. C) 2. D) $\frac{1}{2}$. Show Answer Correct Answer: B) -2. 7. Which one is an example of an arithmetic sequence? A) 2, 4, 6, 8 12, 14. B) 1, 2, 3, 4, 5, 6. C) 1, 4, 9, 16, 25. D) 1, 3, 9, 27, 81. Show Answer Correct Answer: B) 1, 2, 3, 4, 5, 6. 8. Inday earned 240 pesos in the first week, 350 in the second week and 460 in the third week, and so on in an arithmeticsequence. How much did he earn in the 5th week? A) 570. B) 680. C) 790. D) 900. Show Answer Correct Answer: B) 680. 9. Determine the type of the sequence 200, -100, 50, -25 A) Arithmetic. B) Both. C) Geometric. D) Neither. Show Answer Correct Answer: C) Geometric. 10. Classify the following sequence as 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. 11. What is the 7th term in the following sequence? 67, 61, 55, 49 ..... A) 31. B) 53. C) 43. D) 37. Show Answer Correct Answer: A) 31. 12. Find the n$^{th}$ term for the following quadratic sequence ..... 7, 13, 23, 37, 55 ..... A) 2n$^{2}$ + 5. B) 2n$^{2}$ + 5n. C) N$^{2}$ + 5. D) N$^{2}$-5. Show Answer Correct Answer: A) 2n$^{2}$ + 5. 13. Identify the degree of 4x$^{3}$-5x$^{2}$ + 2x-1. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 14. Charlie Damelon and Billie Eyelash decide to make a joint Tik Tok account. On the first day of their live account, they had 1.2 million followers. By the end of the seventh day, their account has 28.2 million followers. How many followers did they gain per day? A) 3.4 million. B) 3.8 million. C) 4.5 million. D) 4.9 million. Show Answer Correct Answer: C) 4.5 million. 15. What is the twelfth term in the sequence 3, -6, 12, ..... ? A) -2, 048. B) 6, 144. C) -6, 144. D) -531, 441. Show Answer Correct Answer: C) -6, 144. 16. Determine whether the sequence is arithmetic, geometric, or neither. A) Arithmetic. B) Geometric. C) Neither. D) None of the above. Show Answer Correct Answer: A) Arithmetic. 17. Find $a_{45}$ $\left\{-2, \-\frac{7}{4}, -\frac{3}{2}, \-\frac{5}{4}\, -1, \ ..... \right\}$ A) $a_{45}=9$. B) $a_{45}=118$. C) $a_{45}=\frac{25}{4}$. D) $a_{45}=6$. Show Answer Correct Answer: A) $a_{45}=9$. 18. Insert 5 arithmetic means in the sequence-3, ..... , ..... , ..... , ..... , ..... , 12 A) . B) . C) . D) . Show Answer Correct Answer: A) . 19. Identify the common difference or ratio.3, 7, 11, 15, ..... A) Ratio, -4. B) Difference, -4. C) Difference, 4. D) Ratio, 4. Show Answer Correct Answer: C) Difference, 4. 20. The first term in the pattern is 13. Which expression can be used to find the nth term in this pattern? 13, 5, -3, -11, -19, ..... A) N-8. B) -8n + 13. C) -8n + 21. D) -13n + 8. Show Answer Correct Answer: C) -8n + 21. 21. Calculate the simple interest on a loan of $ 10, 000 with a rate of 6.8% for 8 years. A) $ 5440. B) $ 15440. C) $ 54400. D) $ 544000. Show Answer Correct Answer: A) $ 5440. 22. Determine whether the sequence is geometric. If so, find the common ratio.4, 8, 16, 32, ..... A) 2. B) -1. C) 1/2. D) Not geometric. Show Answer Correct Answer: A) 2. 23. Write the sum of the first n even natural numbers A) $n^2$. B) $2n^2$. C) N(n +1). D) N (n + 2). Show Answer Correct Answer: C) N(n +1). 24. Find the first four terms of the sequence given the rule:a$_{1}$ = 10:a$_{n}$ = a$_{n-1}$(3) A) 3, 9, 27, 81. B) 10, 30, 90, 270. C) 10, 13, 16, 19. D) 30, 90, 270, 810. Show Answer Correct Answer: B) 10, 30, 90, 270. 25. Find the missing terms of the arithmetic sequence:145, ..... , ..... , ..... , 205 A) 160, 175, 190. B) 165, 185, 195. C) 155, 165, 175. D) 190, 175, 160. Show Answer Correct Answer: A) 160, 175, 190. ← 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