Summation of Arithmetic Series (2)
-17
..., -14, ___ ,___ ,___ ,___ ,___ ,-32,... Find the FIRST missing term in the arithmetic sequence.
-22
..., -18, ___ ,___ ,___ ,-34,... Find the FIRST missing term in the arithmetic sequence.
28
..., 38, ___ ,___ ,___ ,___ ,___ ,-22,... Find the FIRST missing term in the arithmetic sequence.
702
18 + 24 + 30 + 36..., Find the sum of the first 13 terms of this series
649
29+ 35+ 41+ 47..., Find the sum of the first 11 terms of this series
2515
Evaluate:
308
Evaluate:
1725
The first term of an arithmetic series is 14 and 30th term is 101, Find the sum of the first 30 terms
9
The first term of an arithmetic series is 21 and the last term is 61. The sum of this series is 369. How many terms are in this series?
8720
The first term of an arithmetic series is 23 and 40th term is 413, Find the sum of the first 40 terms
5
The first term of an arithmetic series is 28 and the last term is 68. The sum of this series is 240. How many terms are in this series?
1850
The number of seats in the first row of an auditorium is 26. The second row has 30, the third row has 34 and so forth. If the auditorium has 25 rows of seats, how many seats are in the auditorium.
3610
Your grandma opens a savings account in your name when you are born and deposits $100. Each birthday after you are born, they increase the deposit by $10 so that you you get $110 on your first birthday, $120 on your second birthday and so forth. What is the total amount your grandma has deposited through your 18th birthday.