| 1 |
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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| 2 |
Two A.Ms. between 3 and 9 are: |
- A. 3. 6
- B. 5, 7
- C. 6, 12
- D. 3, 9
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| 3 |
If a<sub>n-3</sub> = 2n - 5 then a<sub>n</sub> = |
- A. 2n-1
- B. 2n+1
- C. 2n+3
- D. none
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| 4 |
7th term of G.P 3, 6, 12 ..... is: |
- A. 512
- B. 192
- C. 48
- D. 96
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| 5 |
What is called the arrangement of numbers formed according to some definite rule ? |
- A. arithmetic sequence
- B. geometricsequence
- C. sequence
- D. none of these
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| 6 |
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
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| 7 |
Sequences are also called: |
- A. Series
- B. Progressions
- C. Means
- D. Convergence
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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 |
What is the common difference of the sequence 11, 5, -1, ......... ? |
- A. 6
- B. -6
- C.
- D. none of the foregoing numbers
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| 10 |
In an A.P.a<sub>3</sub> = 12 and a<sub>7</sub> = 32 then d = : |
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