1 |
A sequence of numbers whose reciprocal form an arithmetic sequence, is known as: |
- A. arithmetic sequence
- B. geometricsequence
- C. harmonicsequence
- D. none of these
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2 |
A clock strikes once when its hour hand is at one, twice when it is at two, and so on. How many times does the clock strike in ten hours ? |
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3 |
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
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4 |
What is the next term in the sequence 10, 7, 4, 1...........? |
- A. 2
- B. -2
- C. -3
- D. none of these
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5 |
G.M between -2i and 8i is: |
- A. 4 or -4
- B. 4i or -4i
- C. 2 or -2
- D. none
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6 |
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
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7 |
Reciprocals of the terms of the geometric sequence form: |
- A. A.P
- B. G.P
- C. H.P
- D. none
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8 |
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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9 |
A sequence is denoted by: |
- A.
- B. {a<sub>n</sub>}
- C. a<sub>n</sub>
- D. a<sub>1</sub> + (n-1) d
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10 |
The sum of 10 A.Ms between 3 and 47 is: |
- A. 50
- B. 250
- C. 100
- D. 500
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