| 1 |
A.M between 1 + x - x<sup>2</sup> and 1 + x + x<sup>2</sup> is: |
- A. 1 + x<sup>2</sup>
- B. 1 + x
- C. 2
- D. none
|
| 2 |
Sum of all positive integral multiples of 3 less than 100 is: |
- A. 950
- B. 760
- C. 1230
- D. 875
|
| 3 |
Fifth term of the sequence 2, 6, 11, 17. |
|
| 4 |
7th term of G.P 3, 6, 12 ..... is: |
- A. 512
- B. 192
- C. 48
- D. 96
|
| 5 |
The product of three G.Ms between 1 and 16 is: |
|
| 6 |
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
|
| 7 |
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
|
| 8 |
The next term of the sequence 1, 6, 20, 56, ........ is: |
- A. 112
- B. 144
- C. 212
- D. none
|
| 9 |
If S is the H.M between 2 and b then b = : |
|
| 10 |
Sum of integral multiples of there between 4 and 22 is: |
- A. 81
- B. 75
- C. 211
- D. none
|
