| 1 |
If a<sub>n-3</sub> = 2n - 5 then a<sub>n</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 |
What is called the arrangement of numbers formed according to some definite rule ? |
- A. arithmetic sequence
- B. geometricsequence
- C. sequence
- D. none of these
|
| 4 |
The series 2 + 2 + 2 ..... is: |
- A. divergent
- B. convergent
- C. oscillatory
- D. none of these
|
| 5 |
If S is the H.M between 2 and b then b = : |
|
| 6 |
|
- A. A.P
- B. G.P
- C. H.P
- D. none
|
| 7 |
G.M between -2i and 8i is: |
- A. 4 or -4
- B. 4i or -4i
- C. 2 or -2
- D. none
|
| 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 |
Fifth term of the sequence 2, 6, 11, 17. |
|
| 10 |
A geometric series is convergent only if: |
- A. | r | > 1
- B. | r | < 1
- C. | r | = 1
- D. none of these
|
