| 1 |
The next term of the sequence 1, 6, 20, 56, ........ is: |
- A. 112
- B. 144
- C. 212
- D. none
|
| 2 |
If a<sub>n</sub> = (n + 1) a<sub>n-1</sub>, a<sub>1</sub> = 1, second term of the sequence is: |
|
| 3 |
Sum of all positive integral multiples of 3 less than 100 is: |
- A. 950
- B. 760
- C. 1230
- D. 875
|
| 4 |
An infinite sequence has no: |
- A. nth term
- B. last term
- C. sum
- D. none
|
| 5 |
Sequences are also called: |
- A. Series
- B. Progressions
- C. Means
- D. Convergence
|
| 6 |
The series 2 + 2 + 2 ..... is: |
- A. divergent
- B. convergent
- C. oscillatory
- D. none of these
|
| 7 |
G.M between -2i and 8i is: |
- A. 4 or -4
- B. 4i or -4i
- C. 2 or -2
- D. none
|
| 8 |
In an A.P.a<sub>3</sub> = 12 and a<sub>7</sub> = 32 then d = : |
|
| 9 |
A sequence of numbers whose reciprocal form an arithmetic sequence, is known as: |
- A. arithmetic sequence
- B. geometricsequence
- C. harmonicsequence
- D. none of these
|
| 10 |
What is the common difference of the sequence 11, 5, -1, ......... ? |
- A. 6
- B. -6
- C.
- D. none of the foregoing numbers
|
