Q1:
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Is the following a geometric series?
3 + 9 + 18 + 30
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A. Yes B. No |
Answer 1:
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Q2:
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What is the sum of the first 8 terms of the geometric sequence
3, 6, 12, 24, ...?
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A. 765 B. 768 C. 255 D. 382.5 |
Answer 2:
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Q3:
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The first three terms of a geometric sequence are 80, 40 and 20. What is the sum of the first 12th terms? |
A.159.96 B. 960 C. 480 D. 39.375
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Answer 3:
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Q4:
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The sum to infinity of the geometric sequence 1, 0.5, 0.25 ...is
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A. 2 B. 3 C. 3.5 D. infinity |
Answer 4:
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Q5:
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How many matches would there be altogether in the first 7 patterns?
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A. 112 B. 256 C. 512 D. 508 |
Answer 5:
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Q6:
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The first term of a geometric progression is 0.5 and the common ratio is 2. Find the sum of the first six terms. |
A. 15 B. 15.5 C. 16 D. 31.5 |
Answer 6:
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Q7:
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What is the sum to infinity of 1000 + 500 + 250...?
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A.1900 B. 3000 C. 1760 D. 2000
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Answer 7:
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Q8:
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What name is given to the symbol Σ ? |
A. gamma B. beta C. sigma D. alpha |
Answer 8:
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Q9:
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Find the sum of the first 99 terms of the sequence 1, -1, 1, -1...
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A. 0 B. 1 C. -1 D. 2
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Answer 9:
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Q10:
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Find the sum of the first 5 terms of the sequence < 3 n > |
A. 121 B. 242 C. 363 D. 726 |
Answer 10:
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