1 |
A function whose domain is the set of natural numbers is called the: |
- A. series
- B. sequence
- C. means
- D. convergent
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2 |
Which number cannot be a term of a geometric sequence ? |
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3 |
The sum of 10 A.Ms between 3 and 47 is: |
- A. 50
- B. 250
- C. 100
- D. 500
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4 |
Arithmetic series is only possible if: |
- A. |d| = 1
- B. |d| < 1
- C. |d| > 1
- D. none
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5 |
A sequence is denoted by: |
- A.
- B. {a<sub>n</sub>}
- C. a<sub>n</sub>
- D. a<sub>1</sub> + (n-1) d
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6 |
The next term of the sequence-1, 2, 12, 40, .........is: |
- A. 112
- B. 212
- C. 144
- D. none
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7 |
If a<sub>n-1</sub> = 2n - 3 then a<sub>n+1</sub> = |
- A. 2n - 1
- B. 2n + 1
- C. 2n + 3
- D. none
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8 |
A geometric series is convergent only if: |
- A. | r | > 1
- B. | r | < 1
- C. | r | = 1
- D. none of these
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9 |
Sum of all odd numbers between 100 and 200 is: |
- A. 6200
- B. 6500
- C. 3750
- D. 7500
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10 |
What is the next term in the sequence 10, 7, 4, 1...........? |
- A. 2
- B. -2
- C. -3
- D. none of these
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