This quiz works best with JavaScript enabled. Home > Unit V Mathematical Reasoning And Aptitude > Geometric Series – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Geometric Series Quiz 16 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Complete the sequence: 100, 50, 25, 12.5, ....., 3.125 A) 6.25. B) 0.625. C) 1.25. D) 4.5. Show Answer Correct Answer: A) 6.25. 2. What is the proper expansion for the following series? $\sum_{k=0}^33\left(-2\right)^k$ A) 3 + (-6) + 18. B) 3 + (-6) +12. C) 3 + (-6) + 12 + (-24). D) -6 + 12 + (-24) + 48. Show Answer Correct Answer: C) 3 + (-6) + 12 + (-24). 3. Identify if the sequence is arithmetic, geometric or neither:1,3,9,27, 81, ..... A) Arithmetic. B) Geometric. C) Neither. D) None of above. Show Answer Correct Answer: B) Geometric. 4. Is the sequence geometric? If so, identify the common ratio. 6, 12, 24, 48 A) Yes, 2. B) Yes,-2. C) Yes, 4. D) No. Show Answer Correct Answer: A) Yes, 2. 5. The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria present in the culture originally, how many bacteria will be present in the end of 5th hour? A) 30 x 2$^{2}$. B) 30 x 2$^{4}$. C) 30 x 2$^{5}$. D) 30 x 2$^{6}$. Show Answer Correct Answer: C) 30 x 2$^{5}$. 6. 10, 20, 40, 80, ....., 320 A) 240. B) 300. C) 160. D) 120. Show Answer Correct Answer: C) 160. 7. Identify the next number in the sequence: 60, 30, 15, 7.5,? A) 3.75. B) 7.25. C) 15. D) 8.75. Show Answer Correct Answer: A) 3.75. 8. Evaluate each series described (n is the number of terms in the series):3 + 6 + 12 + 24 + ....., n = 8 A) -3. B) 701. C) 653. D) 765. Show Answer Correct Answer: D) 765. 9. What kind of sequence is illustrated below? 400, 200, 100, 50, 25, ..... A) Arithmetic. B) Geometric. C) Neither. D) None of above. Show Answer Correct Answer: B) Geometric. 10. Complete the pattern: 3, 6, 12, 24,? A) 48. B) 36. C) 30. D) 18. Show Answer Correct Answer: A) 48. ← PreviousNext →Related QuizzesGeometric Series Quiz 1Geometric Series Quiz 2Geometric Series Quiz 3Geometric Series Quiz 4Geometric Series Quiz 5Geometric Series Quiz 6Geometric Series Quiz 7Geometric Series Quiz 8Geometric Series Quiz 9Geometric Series Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books