This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 9 Sequences And Series – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 9 Sequences And Series Quiz 36 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Evaluate the geometric series below:-1-3-9-27 ..... , S8 A) -3280. B) -3135. C) -3323. D) -3343. Show Answer Correct Answer: A) -3280. 2. Find t$_{26}$ in the sequence:-15, -35, -55, -75, ..... A) -515. B) -490. C) -535. D) 460. Show Answer Correct Answer: A) -515. 3. Write the explicit rule for the geometric sequence:2, -12, 72, ..... A) A$_{n}$ = 72(-6)$^{n-1}$. B) A$_{n}$ = 2(-6)$^{n-1}$. C) A$_{n}$ = 2(6)$^{n-1}$. D) A$_{n}$ = 72(-6)$^{n-1}$. Show Answer Correct Answer: B) A$_{n}$ = 2(-6)$^{n-1}$. 4. Martin would like to start training to run a marathon. The first week he runs a total of 15 miles. He would like to run 30% more miles each week than the week before. How far will Martin run the second week? A) 30 miles. B) 19.5 miles. C) 17 miles. D) 15 miles. Show Answer Correct Answer: B) 19.5 miles. 5. What type of sequence is this:1, 3, 5, 7, 9, 11, ..... A) Quadratic. B) Arithmetic. C) Geometric. D) Fibonacci. Show Answer Correct Answer: B) Arithmetic. 6. What is the sum of the first 10 terms for the following geometric series:1+1/2+1/4+1/8+1/16+ ..... A) 0.999. B) 0.002. C) 9.8. D) 1.998. Show Answer Correct Answer: D) 1.998. 7. Find the number of terms in the series:5+9+13+17+ ..... +121 A) 20. B) 25. C) 30. D) 35. Show Answer Correct Answer: C) 30. 8. Find the 11$^{th}$ term for:64, -32, 16, -8, ..... A) -.0625. B) .0625. C) -.03125. D) .03125. Show Answer Correct Answer: B) .0625. 9. Simplify:$\frac{8!}{2!6!}$ A) 56. B) 28. C) 14. D) None of the above. Show Answer Correct Answer: B) 28. 10. Which of the following sequences has the recursive rule g$_{n}$ = g$_{n-1}$ * 1/5 A) \{17, 22, 27, 32, 37, \}. B) \{11, 6, 1, -4, -9, \}. C) \{7, 35, 175, 875, 4375, \}. D) \{21875, 4375, 875, 175, 35, \}. Show Answer Correct Answer: D) \{21875, 4375, 875, 175, 35, \}. 11. Evaluate the arithmetic series described:11 + 18 + 25 + 32 ..... , n=7 A) 225. B) 450. C) 384. D) 224. Show Answer Correct Answer: D) 224. 12. Solve for the common ratio of the geometric sequence:14, 28, 56, 112. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 13. Find the 10th term of the following geometric sequence 5, 20, 80, 320, ..... A) 81, 920. B) 327, 680. C) 1, 310, 720. D) 5, 242, 880. Show Answer Correct Answer: C) 1, 310, 720. 14. What is the common difference in this sequence?\{48, 32, 16, 0, ..... \} A) 1/2. B) 2. C) -8. D) -16. Show Answer Correct Answer: D) -16. 15. Find the nth partial sum:8, 20, 32, 44, ..... n=10 A) 116. B) 124. C) 680. D) 620. Show Answer Correct Answer: D) 620. 16. What is the common difference inthe sequence-7, -5, -3, -1, ..... ? A) 1/2. B) -1/2. C) 2. D) -2. Show Answer Correct Answer: C) 2. 17. Write an EXPLICIT formula for the sequence defined by $a_1=-3\\\\\\\\\\a_n=a_{n-1}-10$ A) $a_n=-3+\left(n-1\right)\left(-10\right)$. B) $a_n=-3\left(-10\right)^{n-1}$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $a_n=-3+\left(n-1\right)\left(-10\right)$. 18. What is the recursive rule for the sequence 2, 6, 18, 54, ..... ? A) A$_{n}$=2(3)$^{n-1}$. B) A$_{1}$ = 2, a$_{n}$ = a$_{n-1}$ + 4. C) A$_{1}$ = 2, a$_{n}$ = 3a$_{n-1}$. D) A$_{1}$ = 3, a$_{n}$ = 2a$_{n-1}$. Show Answer Correct Answer: C) A$_{1}$ = 2, a$_{n}$ = 3a$_{n-1}$. 19. Given the sequence 2, 8, 14, 20, 26, ..... What is the common difference? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: C) 6. 20. Evaluate the summation $\sum_{n=1}^5\left(3^n-1\right)$ A) 1+3+9+27+81=121. B) 2+4+16+32+64=118. C) 2+5+8+11+14=40. D) 2+8+26+80+242=358. Show Answer Correct Answer: D) 2+8+26+80+242=358. 21. Find the sum of the infinite geometric series, if it exists. $\frac{1}{2}-\frac{5}{3}+\frac{50}{9}-\frac{500}{27}+ ..... $ A) 205. B) 19.5. C) 108.75. D) Does Not Exist. Show Answer Correct Answer: D) Does Not Exist. 22. -8, -19, -30, -41, ..... 38th Term A) -407. B) -415. C) -418. D) -426. Show Answer Correct Answer: B) -415. 23. This type of series has a common difference: A) Arithmetic. B) Geometric. C) Neither. D) None of the above. Show Answer Correct Answer: A) Arithmetic. 24. Is the functiony = 5 * 4$^{x}$The same as the function$^{}$y = 20$^{x}$ A) No. B) Yes. C) Maybe. D) Probably not. Show Answer Correct Answer: A) No. 25. Classify this sequence as ARITHMETIC, GEOMETRIC or NEITHER.2, 202, 2002, 20002, ..... A) ARITHMETIC. B) GEOMETRIC. C) NEITHER. D) None of the above. Show Answer Correct Answer: C) NEITHER. ← 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