| 1 |
The series 2 + 2 + 2 ..... is: |
- A. divergent
- B. convergent
- C. oscillatory
- D. none of these
|
| 2 |
If a<sub>n</sub> = (n + 1) a<sub>n-1</sub>, a<sub>1</sub> = 1, second term of the sequence is: |
|
| 3 |
A.M between 1 + x - x<sup>2</sup> and 1 + x + x<sup>2</sup> is: |
- A. 1 + x<sup>2</sup>
- B. 1 + x
- C. 2
- D. none
|
| 4 |
Domain of finite sequence is: |
- A. set of natural numbers
- B. subset of N
- C. R
- D. none
|
| 5 |
G.M between -2i and 8i is: |
- A. 4 or -4
- B. 4i or -4i
- C. 2 or -2
- D. none
|
| 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: |
|
| 8 |
7th term of G.P 3, 6, 12 ..... is: |
- A. 512
- B. 192
- C. 48
- D. 96
|
| 9 |
The sum of 10 A.Ms between 3 and 47 is: |
- A. 50
- B. 250
- C. 100
- D. 500
|
| 10 |
A sequence of numbers whose reciprocal form an arithmetic sequence, is known as: |
- A. arithmetic sequence
- B. geometricsequence
- C. harmonicsequence
- D. none of these
|
