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In DeltaABC, D and E are points on AB an...

In `DeltaABC`, D and E are points on AB and AC respectively such that DE||BC and DE divides the `DeltaABC` into two parts of equal areas. Then ratio of AD and BD is

A

`1: sqrt2`

B

`1: sqrt2+1`

C

`1:1`

D

`1: sqrt2-1`

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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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