| 1 |
The reciprocal of the terms of A.P. form: |
- A. A.P
- B. G.P
- C. H.P
- D. none of these
|
| 2 |
The sum of 10 A.Ms between 3 and 47 is: |
- A. 50
- B. 250
- C. 100
- D. 500
|
| 3 |
Sequences are also called: |
- A. Series
- B. Progressions
- C. Means
- D. Convergence
|
| 4 |
If a<sub>n-3</sub> = 2n - 5 then a<sub>n</sub> = |
- A. 2n-1
- B. 2n+1
- C. 2n+3
- D. none
|
| 5 |
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
|
| 6 |
The series 3 + 33 + 333 + ...... is: |
- A. A.P
- B. G.P
- C. H.P
- D. none of these
|
| 7 |
If S is the H.M between 2 and b then b = : |
|
| 8 |
What is the general term of the sequence 2, 4, 6, 8, ........... ? |
- A. 2n
- B. n + 1
- C. 2n<sup>2</sup>
- D. none of these
|
| 9 |
In an A.P.a<sub>3</sub> = 12 and a<sub>7</sub> = 32 then d = : |
|
| 10 |
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
|