| 1 |
A sequence of numbers whose reciprocal form an arithmetic sequence, is known as: |
- A. arithmetic sequence
- B. geometricsequence
- C. harmonicsequence
- D. none of these
|
| 2 |
An infinite sequence has no: |
- A. nth term
- B. last term
- C. sum
- D. none
|
| 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 |
What is the general term of the geometric sequence -1, 1, -1, 1 ....... ? |
- A. (-1)<sup>n</sup>
- B. (1)<sup>n</sup>
- C. (-1)<sup>n-1</sup>
- D. none of these
|
| 5 |
|
- A. A.P
- B. G.P
- C. H.P
- D. none
|
| 6 |
If S is the H.M between 2 and b then b = : |
|
| 7 |
Which number cannot be a term of a geometric sequence ? |
|
| 8 |
G.M between -2i and 8i is: |
- A. 4 or -4
- B. 4i or -4i
- C. 2 or -2
- D. none
|
| 9 |
In an A.P.a<sub>3</sub> = 12 and a<sub>7</sub> = 32 then d = : |
|
| 10 |
The product of three G.Ms between 1 and 16 is: |
|
