19. If three arithmetic means are inserted between 11 and 39, find the second arithmetic mean. A. 18 B. 25 C. 32 D. 46 _20. The terms between any two nonconsecutive terms of an arithmetic sequence are called A. differences B. means C. ratios D. last term _21. Find the number of terms in the finite arithmetic sequence.{6,11, 16, ..., 56} A.n=11 B.n=12 C.n=13 D.n=14 _22. Find the 40th term for the arithmetic sequence in which a. = 60 and an = 48. A. 36 B. -36 C. -26 D. 26 23. The arithmetic mean between two terms in an arithmetic sequence is 39. If one ofthese terms is 32, find the other term. A. 46 B. 53 C. 46 D. 53 _24. If five arithmetic means are inserted between 9 and 9, what is the third mean? A. 3 B. 3 C. O D. 6 _25. Insert 4 arithmetic means between 5 and 25. A. 8, 12, 16, 20 B. 7, 11, 15, 21 C. 10, 14, 18, 22 D. 9, 13, 17, 21 _26. What is the sum of all the odd integers between 8 and 26? A. 153 B. 151 C. 149 D. 148 _27. Which ofthe following is the sum of all the multiples of 3 from 15 to 48? A. 315 B. 360 C. 378 D. 396 _28. In an arithmetic series, find the sum of the first 10 terms if the first term is 3 and the common difference is 4. A. 170 B. 190 C. 200 D. 210 _29. lfthe first term of an arithmetic sequence is -14 and the common difference is 2, find the sum of the first 8 terms of the sequence. A. - 56 B. 56 C. - 65 D. 65 _30. How many terms of the arithmetic series 25 + 19 + 13 + . . . . are required to give a sum of -29 ? .n=9b.n=10c.n=11d.n=12 _31. The first three terms of an arithmetic progression are 1, 4, and 7, find the sum of the first 47 terms of the progression. A. 3290 B. 3390 C. 3490 D. 3590 _32. How many terms of the arithmetic sequence {2, 4, 6, 8,. . .. }will give a sum of 600? A. 23 B. 24 C. 25 D. 26 _33. Find the sum of the positive terms ofthe arithmetic sequence 85, 78, 71, ..... , 1 . A. 559 B. 569 C. 579 D. 589 _34. What is the sum of the eleventh to twentieth terms (inclusive) of the arithmetic sequence 7, 12, 17, 22 ? A. 795 B. 794 C. 793 D. 792 _35. Find the sum of the first 12 terms of the arithmetic sequence whose general term is 33+5 A. 294 B. 249 C. 293 D. 239 _36. Describe the relationship between the terms of the arithmetic sequence 15, 12, 9, 6 A. Adding 3 to the previous term C. Subtracting 3 to the previous term B. Dividing the previous term by 3 D. Multiplying the previous term by 3 _37. Describe the relationship between the terms in the geometric sequence 2, 4, 8, 16 A. Multiplying the previous term by 2 C. Adding by 2 to the previous term. B. Subtracting the previous term by 4 D. Multiplying the previous term by 4