| 1 |
Sum of all positive integral multiples of 3 less than 100 is: |
- A. 950
- B. 760
- C. 1230
- D. 875
|
| 2 |
A sequence of numbers whose reciprocal form an arithmetic sequence, is known as: |
- A. arithmetic sequence
- B. geometricsequence
- C. harmonicsequence
- D. none of these
|
| 3 |
The next term of the sequence 1, 6, 20, 56, ........ is: |
- A. 112
- B. 144
- C. 212
- D. none
|
| 4 |
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
|
| 5 |
What is called the difference between two consecutive terms of an arithmetic sequence ? |
- A. common ratio
- B. common difference
- C. common element
- D. none of these
|
| 6 |
The series 2 + 2 + 2 ..... is: |
- A. divergent
- B. convergent
- C. oscillatory
- D. none of these
|
| 7 |
Reciprocals of the terms of the geometric sequence form: |
- A. A.P
- B. G.P
- C. H.P
- D. none
|
| 8 |
In an A.P.a<sub>3</sub> = 12 and a<sub>7</sub> = 32 then d = : |
|
| 9 |
The next term of the sequence-1, 2, 12, 40, .........is: |
- A. 112
- B. 212
- C. 144
- D. none
|
| 10 |
If a<sub>n</sub> = (n + 1) a<sub>n-1</sub>, a<sub>1</sub> = 1, second term of the sequence is: |
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