WorksheetsSelf Test 1.12 Sum of the Terms...
Total questions: 5
Worksheet time: 5mins
1. What is the sum of the first eight terms of the geometric sequence 2, 6, 18, 54, 162…?
A. 2186
B. 6560
C. 6561
D. 13120
2. Which of the following is the sum of the first 15 terms of geometric sequence whose first term is 1,
last term is 16384, and the common ratio is -2?
A. -32769
B. -10923
C. 10923
D. 32769
3. What is the first term of geometric sequence if the sum of the first seven terms is 635, and the
common ratio is 2?
A. 4
B. 5
C. 6
D. 5
4. What is the common ratio of geometric sequence if the first term is 5, the last term is 80, and the sum
of the five terms is 155?
A. 2
B. 3
C. 4
D. 5
5. How many terms does a geometric sequence have if the first term is 13, the common ratio is 2, and
the sum of the terms of the sequence is 1651?
A. 5
B. 6
C. 7
D. 8
