| 1 |
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- A. real numbers
- B. complexnumbers
- C. primenumbers
- D. oddnumbers
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| 2 |
In a triangle ABC b = √3, c = 1, α = 30° then a = : |
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| 3 |
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| 4 |
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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| 5 |
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| 6 |
If A is a matrix of order m × n, then the number of elements in each row of A is: |
- A. m
- B. n
- C. m + n
- D. m - n
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| 7 |
In ax<sup>2</sup> + bx + c = 0, if b<sup>2</sup> - 4ac > 0 and perfect square the roots are: |
- A. rational
- B. irrational
- C. equal
- D. complex
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| 8 |
In a right isoceles triangle, one acute angle is: |
- A. 30°
- B. 45°
- C. 60°
- D. 75°
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| 9 |
Solution set of the equation x<sup>2</sup> - 3x + 2 = 0 is |
- A. {-1, 2}
- B. {1, -2}
- C. {-1, -2}
- D. {1, 2}
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| 10 |
7th term of G.P 3, 6, 12 ..... is: |
- A. 512
- B. 192
- C. 48
- D. 96
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