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An aeroplane when flying at a height...

An aeroplane when flying at a height of 5000 m from the ground passes vertically above another aeroplabe at an instant , when the angles of elevation of the two aeroplanes from the same point on the ground are `60^(@)and45^(@)` respectively.The vertical distance between the aeroplanes at that instant is

A

`5000 (1-1/sqrt3)` m/मी

B

450 m/मी

C

`5000(sqrt3-1)` m/मी

D

5000 m/मी

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CHAMPION PUBLICATION-2012 TIER-II PAPER(22)-EXERCISE
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  2. If 0^@ lt theta lt 90^@, then the value of sin theta + cos theta is

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  3. An aeroplane when flying at a height of 5000 m from the ground ...

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  4. The angles of a triangle are in Arithmetic Progression. The ratio of t...

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  5. Suppose DeltaABC be a right-angled triangle where angleA= 90^@ and AD ...

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  6. Two circles touch each other externally at P. AB is a direct common ta...

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  7. The length of the common chord of two intersecting circles is 24 cm. I...

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  8. In DeltaABC, D and E are points on AB and AC respectively such that DE...

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  9. The area of the square inscribed in a circle of radius 8 cm is

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  10. X and Y are centres of circles of a radii 9 cm and 2 cm respectively, ...

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  11. I is the incentre of a triangle ABC. If /ABC = 65^@ and /ACB = 55^@, t...

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  12. If the radii of two circles be 6 cm and 3 cm and the length of the tra...

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  13. The ratio between the number of sides of two regular Polygons is 1:2 a...

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  14. Find minimum value of sin^(2)theta+cosec^(2)theta+cos^(2)theta+sec^(...

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  15. If 2sin((pi)/(2))=x^(2)+(1)/(x^(2)), then the value of (x-(1)/(x)) i...

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  16. The expression (tan 57^@ + cot37^@)/(tan 33^@ + cot 53^@) is equal to

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  17. The bar chart given below shows the percentage distribution of the pro...

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  18. The bar chart given below shows the percentage distribution of the pro...

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  19. The bar chart given below shows the percentage distribution of the pro...

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  20. The bar chart given below shows the percentage distribution of the pro...

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