| 1 |
If the elevation of the sun is 30°, the length of the shadow cast by a tower of 150m height is: |
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| 2 |
There is a solution of the equation 2 sin Θ + 1 = 0 in the quadrants: |
- A. 1 and 2
- B. 1 and 3
- C. 2 and 4
- D. 3 and 4
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| 3 |
The system of measurement in which the angle is measured in degrees, and its sub-units, minutes and seconds is called the: |
- A. circular system
- B. sexagesimal system
- C. decimal system
- D. degree system
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| 4 |
No. of triangles can be formed by joining the vertices of the polygon having 12 sides ? |
- A. 202
- B. 220
- C. 110
- D. none of these
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| 5 |
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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| 6 |
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| 7 |
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| 8 |
The value of <sup>5</sup>C<sub>2</sub> is: |
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| 9 |
tan (-135°) = |
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| 10 |
Zero is: |
- A. a natural number
- B. a whole number
- C. a positive integer
- D. a negativeinteger
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