| 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 |
Sum of all positive integral multiples of 3 less than 100 is: |
- A. 950
- B. 760
- C. 1230
- D. 875
|
| 3 |
Arithmetic series is only possible if: |
- A. |d| = 1
- B. |d| < 1
- C. |d| > 1
- D. none
|
| 4 |
What is called the arrangement of numbers formed according to some definite rule ? |
- A. arithmetic sequence
- B. geometricsequence
- C. sequence
- D. none of these
|
| 5 |
Sequences are also called: |
- A. Series
- B. Progressions
- C. Means
- D. Convergence
|
| 6 |
A sequence is denoted by: |
- A.
- B. {a<sub>n</sub>}
- C. a<sub>n</sub>
- D. a<sub>1</sub> + (n-1) d
|
| 7 |
Two A.Ms. between 3 and 9 are: |
- A. 3. 6
- B. 5, 7
- C. 6, 12
- D. 3, 9
|
| 8 |
A sequence of numbers whose reciprocal form an arithmetic sequence, is known as: |
- A. arithmetic sequence
- B. geometricsequence
- C. harmonicsequence
- D. none of these
|
| 9 |
A function whose domain is the set of natural numbers is called the: |
- A. series
- B. sequence
- C. means
- D. convergent
|
| 10 |
What is the common difference of the sequence 11, 5, -1, ......... ? |
- A. 6
- B. -6
- C.
- D. none of the foregoing numbers
|