This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 9 Sequences And Series – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 9 Sequences And Series Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What kind of sequence is the pattern 400, 200, 100, 50, 25, ..... ? A) Arithmetic. B) Geometric. C) Neither. D) None of the above. Show Answer Correct Answer: B) Geometric. 2. When the 1st differences are constant, the given values have a ..... relationship. A) Linear. B) Quadratic. C) Exponential. D) Linaer. Show Answer Correct Answer: A) Linear. 3. Write the explicit formula for the sequence. 216, 72, 24, 8, ..... A) $a_n=216\cdot\left(\frac{1}{3}\right)^{\left(n-1\right)}$. B) $a_n=8\cdot3^{\left(n-1\right)}$. C) $a_n=216-144\left(n-1\right)$. D) $a_n=216\cdot3^{\left(n-1\right)}$. Show Answer Correct Answer: A) $a_n=216\cdot\left(\frac{1}{3}\right)^{\left(n-1\right)}$. 4. Create the formula for the sequence:2, 8, 14, ..... A) A$_{n}$=2+6n. B) A$_{n}$=-6+6n. C) A$_{n}$=6n-4. D) A$_{n}$=4-6n. Show Answer Correct Answer: C) A$_{n}$=6n-4. 5. Find the next 3 terms in this geometric sequence 5, -10, 20, -40 A) -80, 160, -320. B) 160, -320, 640. C) 80, -160, 320. D) -160, 320, -640. Show Answer Correct Answer: C) 80, -160, 320. 6. $t\left(n\right)=4n+10$ A) 80. B) 90. C) 20. D) 100. Show Answer Correct Answer: B) 90. 7. For the equation 6 + 8 + 10 + + (4 + 2n) = n(n + 5), which statement assumes that S$_{n}$ is valid for n = k? A) 6 + 8 + 10 + + (6 + 2k) = k(k + 5). B) 6 + 8 + 10 + + (8 + 2k) = (k + 1)(k + 6). C) 6 + 8 + 10 + + (6 + 2k) = (k + 1)(k + 6). D) 6 + 8 + 10 + + (4 + 2k) = k(k + 5). Show Answer Correct Answer: D) 6 + 8 + 10 + + (4 + 2k) = k(k + 5). 8. A bank account has $ 250 and earns 3.5% interest each year. How much money is in the account after 12 years? A) $ 844805. B) $ 377.77. C) $ 163.03. D) $ 10, 500. Show Answer Correct Answer: B) $ 377.77. 9. Viola makes gift baskets for Valentine's Day. She has 13 baskets left over from last year, and she plans to make 12 more each day. If there are 15 work days until the day she begins to sell the baskets, how many baskets will she have to sell? A) 193 baskets. B) 156 baskets. C) 205 baskets. D) 181 baskets. Show Answer Correct Answer: A) 193 baskets. 10. In an arithmetic sequence if a$_{15}$ =108 and d=7, find a$_{1}$. A) 14. B) 101. C) 206. D) 10. Show Answer Correct Answer: D) 10. 11. $\lim_{n\rightarrow\infty}\\frac{2^{n+1}+7}{5^{n-1}+3}$ A) 0. B) $\frac{2}{5}$. C) $\frac{1}{5}$. D) 1. Show Answer Correct Answer: A) 0. 12. Is 133 a possible term in the following sequence?40, 43, 46, ..... A) Yes! It is the 32nd term. B) No. When I solve, n is a decimal. C) Yes! It is the 30th term. D) None of the above. Show Answer Correct Answer: A) Yes! It is the 32nd term. 13. There are 130 students in grade one, 210 students in grade two and 290 students in grade three in Masipag Elementary School, and so on in an arithmetic sequence. What's the total amount of students in grade 6? A) 370. B) 450. C) 530. D) 610. Show Answer Correct Answer: C) 530. 14. Find the sum of all the multiples of 6 between 1 to 100. A) 800. B) 816. C) 832. D) 848. Show Answer Correct Answer: B) 816. 15. The number of seats in each row of a concert hall follows the sequence below:t(n) = 14 + 2(n-1)How many seats are in the first 20 rows? A) 52. B) 18. C) 780. D) 660. Show Answer Correct Answer: D) 660. 16. Given the sequence 81, 27, 9, 3, ..... find the 9th term A) 1234. B) 5678. C) 0.034567. D) 0.012345679. Show Answer Correct Answer: D) 0.012345679. 17. What is the degree of the expression 2x$^{2}$-5? A) 1. B) 2. C) 3. D) 5. Show Answer Correct Answer: B) 2. 18. The first term in a geometric sequence is-4 and the common ratio is 2. What is the 10th term? A) -2048. B) 1024. C) -1024. D) 2048. Show Answer Correct Answer: A) -2048. 19. Describe the sequence, find the 5th term, and write the rule.1, 5, 25, 125 ..... A) Geometric, a$_{5}$ = 625, a$_{n}$ = 5$^{n-1}$. B) Arithmetic, a$_{5}$ = 3125, a$_{n}$ = 5$^{n-1}$. C) Geometric, a$_{5}$ = 3125, a$_{n}$ = 5$^{n}$. D) Arithmetic, a$_{5}$ = 625, a$_{n}$ = 5$^{n}$. Show Answer Correct Answer: A) Geometric, a$_{5}$ = 625, a$_{n}$ = 5$^{n-1}$. 20. List the first five terms of the geometric sequence. Assume that the sequence begins at n = 1. $T_n=3^{n-1}$ A) 1, 3, 6, 9, 12. B) 3, 9, 27, 81, 243. C) 0, 1, 3, 9, 27. D) 1, 3, 9, 27, 81. E) 0, 3, 9, 27, 81. Show Answer Correct Answer: D) 1, 3, 9, 27, 81. 21. Find the first term of the given sequence:a$_{14}$=72d=4 A) 40. B) 24. C) 22. D) 20. Show Answer Correct Answer: D) 20. 22. From an arithmetic series it is known that U3 = 13 and U7 = 29. The total of twenty-five terms The first in the series is ..... A) 3250. B) 1325. C) 1225. D) None of the above. Show Answer Correct Answer: B) 1325. 23. Calculate the interest earned on an investment of $ 20 000 over a period of 15 years if interested was calculated at 5.5% p.a compounded monthly. A) $ 45 551.68. B) $ 25 551.68. C) $ 44 649.53. D) $ 24 649.53. Show Answer Correct Answer: B) $ 25 551.68. 24. How many terms are in the geometric sequence2, 6, 18, ..... , 1458 A) N = 5. B) N = 6. C) N = 7. D) N = 486. Show Answer Correct Answer: C) N = 7. 25. $\frac{11!}{8!}$ A) 11, 880. B) 11/8. C) 990. D) 7920. E) 110. Show Answer Correct Answer: C) 990. ← 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