This quiz works best with JavaScript enabled. Home > Unit V Mathematical Reasoning And Aptitude > Arithmetic Series – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Arithmetic Series Quiz 13 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Now that we have found both the common difference and the first term of our sequence (6, 9, 12, 15, ..... ), we can write an EXPLICIT FORMULA for the arithmetic sequence.Formula: $a_n=a_1+d\left(n-1\right)$ $a_1=$ $d=$ A) $a_n=3+9\left(n-1\right)$. B) $a_n=9+3\left(n-1\right)$. C) $a_n=3+6\left(n-1\right)$. D) $a_n=6+3\left(n-1\right)$. Show Answer Correct Answer: D) $a_n=6+3\left(n-1\right)$. 2. Find the missing number: 5, 11, 17, 23,? A) 27. B) 29. C) 31. D) 33. Show Answer Correct Answer: B) 29. 3. A theater has 32 rows of seats. If there are 26 seats in the 1st row, 30 in the 2nd, 34 in the 3rd, and so on, how many seats are there in all? Assume the pattern continues. A) 2,791 seats. B) 2,803 seats. C) 2,816 seats. D) 2.829 seats. Show Answer Correct Answer: C) 2,816 seats. 4. What is the 67$^{th}$ term of the following arithmetic sequence.13, 22, 31, 40, ..... A) -445. B) 67. C) 625. D) 607. Show Answer Correct Answer: D) 607. 5. Count by 5. What numbers are missing?5, 10, ....., 20, ....., 30, 35 A) 15, 16. B) 15, 20. C) 11, 21. D) 15, 25. Show Answer Correct Answer: D) 15, 25. 6. What is an arithmetic sequence? A) Sequence that has a common difference. B) Sequence that has a common ratio. C) A sequence that has a common difference and ratio. D) Might as well just give up. Show Answer Correct Answer: A) Sequence that has a common difference. 7. Evaluate each series described (n is the number of terms in the series):4 + 9 + 14 + 19 + ....., n = 14 A) 1050. B) 1022. C) 511. D) 519. Show Answer Correct Answer: C) 511. 8. Summation is the compact form of an arithmetic series. A) True. B) False. Show Answer Correct Answer: A) True. 9. What is the common difference of an AP in which a$_{18}$-a$_{14}$ = 32? A) 8. B) -8. C) 4. D) -4. Show Answer Correct Answer: A) 8. 10. The next two terms of the sequence 4,7,10,13 are A) 16 and 19. B) 15 and 19. C) 16 and 18. D) 15 and 18. Show Answer Correct Answer: A) 16 and 19. ← 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