This quiz works best with JavaScript enabled. Home > Unit V Mathematical Reasoning And Aptitude > Arithmetic Series – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Arithmetic Series Quiz 30 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Find the missing number in the given number series. 125, 105, 85, 65, 45 A) 44. B) 35. C) 25. D) 15. Show Answer Correct Answer: C) 25. 3. What equation can be used to find the n$^{th}$ term in the sequence 2, 7, 12, 17, 22, 27 A) A$_{n}$ = n + 5. B) A$_{n}$ = 3n-1. C) A$_{n}$ = 5n-3. D) A$_{n}$ = 5n-1. Show Answer Correct Answer: C) A$_{n}$ = 5n-3. 4. What is the sum of the first 10 terms in the arithmetic series: 5, 10, 15, .....? A) 200. B) 50. C) 150. D) 275. Show Answer Correct Answer: D) 275. 5. The first four terms of an Arithmetic Progression whose first term is-2 and the common difference is-2 is ..... A) -2, 0, 2, 4. B) -2, 4,-8, 16. C) -2,-4,-6,-8. D) -2,-4,-9,-16. Show Answer Correct Answer: C) -2,-4,-6,-8. 6. What is the next number in the series: 12, 24, 36, 48, .....? A) 84. B) 72. C) 54. D) 60. Show Answer Correct Answer: D) 60. 7. Find a$_{20}$ in the arithmetic sequence: (Hint: Find explicit formula first)5, 12, 19, 26 ..... A) 145. B) 144. C) 142. D) 138. Show Answer Correct Answer: D) 138. 8. David, Nora, and Benjamin are playing a game where they need to find the 20th term of an arithmetic progression. The first term is 3 and the common difference is 4. What is the 20th term? A) 60. B) 79. C) 23. D) 100. Show Answer Correct Answer: B) 79. 9. Find: $a_3\ =\ a_1+2d,\ if\ a_1=3\ and\ d\ =\ 4$ A) 11. B) 15. C) 19. D) 23. Show Answer Correct Answer: A) 11. 10. Find the sum of the series 4, 7, 10 ..... up to 10 terms is A) 400. B) 200. C) 350. D) 175. Show Answer Correct Answer: D) 175. ← PreviousNext →Related QuizzesArithmetic Series Quiz 1Arithmetic Series Quiz 2Arithmetic Series Quiz 3Arithmetic Series Quiz 4Arithmetic Series Quiz 5Arithmetic Series Quiz 6Arithmetic Series Quiz 7Arithmetic Series Quiz 8Arithmetic Series Quiz 9Arithmetic Series Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books