| 1 |
Domain of finite sequence is: |
- A. set of natural numbers
- B. subset of N
- C. R
- D. none
|
| 2 |
If a<sub>n-3</sub> = 2n - 5 then a<sub>n</sub> = |
- A. 2n-1
- B. 2n+1
- C. 2n+3
- D. none
|
| 3 |
An infinite sequence has no: |
- A. nth term
- B. last term
- C. sum
- D. none
|
| 4 |
G.M between -2i and 8i is: |
- A. 4 or -4
- B. 4i or -4i
- C. 2 or -2
- D. none
|
| 5 |
What is the common difference of the sequence 11, 5, -1, ......... ? |
- A. 6
- B. -6
- C.
- D. none of the foregoing numbers
|
| 6 |
A clock strikes once when its hour hand is at one, twice when it is at two, and so on. How many times does the clock strike in ten hours ? |
|
| 7 |
The series 3 + 33 + 333 + ...... is: |
- A. A.P
- B. G.P
- C. H.P
- D. none of these
|
| 8 |
Reciprocals of the terms of the geometric sequence form: |
- A. A.P
- B. G.P
- C. H.P
- D. none
|
| 9 |
What is called the difference between two consecutive terms of an arithmetic sequence ? |
- A. common ratio
- B. common difference
- C. common element
- D. none of these
|
| 10 |
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
|
