WorksheetsArithmetic Means and Series
Total questions: 10
Worksheet time: 10mins
Insert one arithmetic mean between -8 and 4.
14
-2
0
6
Insert two arithmetic means between 13 and 37
21, 29
19, 25
20, 26
18, 27
Insert 3 arithmetic means between -3, and 37.
9, 17, 25
11, 21, 31
7, 17, 27
13, 23, 33
Find the sum of the series 27+33+39+45+51 .
195
198
384
390
k=1∑5 5k Evaluate the series
65
70
75
80
The first and last term of the first 8 terms of an arithmetic series are 3 and 17 respectively. Find the sum of the series.
80
92
101
107
The first term of an arithmetic sequence is 9 and the common difference is 2. Find the sum of the first 10 terms.
172
174
178
180
Find the sum of the first 8 terms of the series 0+(−4)+(−8)+(−12)+...
102
108
112
204
The first term and last term of an arithmetic sequence are 11 and 21 respectively. If the sum of the series is 96, how many terms are there?
5
6
7
8
The sum of an arithmetic series whose first term is 15 and whose common difference is 2 is 95. How many terms are there in the series?
5
7
8
9
