| 1 |
The next term of the sequence-1, 2, 12, 40, .........is: |
- A. 112
- B. 212
- C. 144
- D. none
|
| 2 |
Which number cannot be a term of a geometric sequence ? |
|
| 3 |
Two A.Ms. between 3 and 9 are: |
- A. 3. 6
- B. 5, 7
- C. 6, 12
- D. 3, 9
|
| 4 |
A geometric series is convergent only if: |
- A. | r | > 1
- B. | r | < 1
- C. | r | = 1
- D. none of these
|
| 5 |
Reciprocals of the terms of the geometric sequence form: |
- A. A.P
- B. G.P
- C. H.P
- D. none
|
| 6 |
If a<sub>n</sub> = (n + 1) a<sub>n-1</sub>, a<sub>1</sub> = 1, second term of the sequence is: |
|
| 7 |
G.M between -2i and 8i is: |
- A. 4 or -4
- B. 4i or -4i
- C. 2 or -2
- D. none
|
| 8 |
What is the next term in the sequence 10, 7, 4, 1...........? |
- A. 2
- B. -2
- C. -3
- D. none of these
|
| 9 |
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
|
| 10 |
Sum of all odd numbers between 100 and 200 is: |
- A. 6200
- B. 6500
- C. 3750
- D. 7500
|
