| 1 |
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
|
| 2 |
What is called the arrangement of numbers formed according to some definite rule ? |
- A. arithmetic sequence
- B. geometricsequence
- C. sequence
- D. none of these
|
| 3 |
If a<sub>n</sub> = (n + 1) a<sub>n-1</sub>, a<sub>1</sub> = 1, second term of the sequence is: |
|
| 4 |
In an A.P.a<sub>3</sub> = 12 and a<sub>7</sub> = 32 then d = : |
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| 5 |
A sequence of numbers whose reciprocal form an arithmetic sequence, is known as: |
- A. arithmetic sequence
- B. geometricsequence
- C. harmonicsequence
- D. none of these
|
| 6 |
If a<sub>n-3</sub> = 2n - 5 then a<sub>n</sub> = |
- A. 2n-1
- B. 2n+1
- C. 2n+3
- D. none
|
| 7 |
The product of three G.Ms between 1 and 16 is: |
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| 8 |
Fifth term of the sequence 2, 6, 11, 17. |
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| 9 |
The next term of the sequence 1, 6, 20, 56, ........ is: |
- A. 112
- B. 144
- C. 212
- D. none
|
| 10 |
Domain of finite sequence is: |
- A. set of natural numbers
- B. subset of N
- C. R
- D. none
|
