2012 II QUESTIONS AND ANSWERS :: part7 : 1 to 5
Following Multiple choice objective type questions and answers will help you as a free online coaching for your TRB SSC CGL written exam preparation for 2017. These are useful study materials collected from previous year question papers. :
1.If sin p + cosec p=2,then the value of sin⁷ p +cosec⁷ p is |
| 2 |
| 0 |
| 1 |
| 2 |
2.A chord AB of length 3√2 unit subtends a right angle at the centre O of a circle.Area of the sector AOB (in sq.units) is |
| 9/4 π |
| 5π |
| 9 π |
| 9/2 π |
3.Given that ∠ABC =90,BC is parallel to DE,If AB=12,BD=6 and BC=10,then the length of DE is |
| 16 |
| 15 |
| 12 |
| 14 |
4.If sec x + cos x =3,then tan²x-sin²x is |
| 5 |
| 13 |
| 9 |
| 4 |
5.The height of a tower is h and the angle of elevation of the top of the tower is α.On moving a distance h/2 towards the tower,the angle of elevation becomes β.The value of cotα - cotβ is |
| 1 |
| 2 |
| 1/2 |
| 2/3 |
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