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If (b+c-a)x = (c+a-b)y = (a+b-c) z =2,th...

If (b+c-a)x = (c+a-b)y = (a+b-c) z =2,then show that (i/x+1/y) (1/y+1/z) (1/z+1/x) =abc.

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UNITED BOOK HOUSE-QUESTION PAPER 2017-Exercise
  1. The total expenses of a hostel are partly constant and partly vary dir...

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  2. Answer any one : If a/b+c = b/c+a = c/a+b, then prove that each ratio...

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  3. If (b+c-a)x = (c+a-b)y = (a+b-c) z =2,then show that (i/x+1/y) (1/y+1/...

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  4. Answer any one : If in a triangle, the area of the square drawn on on...

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  5. If two tangents are drawn to a circle from a point outside it, them th...

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  6. Answer any one question : Prove that the quadrilateral foemed by the ...

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  7. O is the circumcentre of triangleABC and OD bot Bc, prove that angleBO...

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  8. Answer any one question : Draw an equilateral triangle of side of 6 c...

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  9. Construct a rectangle with sides 8 cm and 6 cm construct a square equa...

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  10. If the measures of three angles of a quadrilateral are (Pi)/(3),(5Pi)/...

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  11. If (sin theta) (x) = (cos theta)/(y), then prove that sin theta - cos ...

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  12. If tan 9^@ = a/b, then prove that (sec^2 81^@)/(1+cot^2 81^@) = (b^2)/...

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  13. Answer any one question : The distance between two pillars is 150 m. ...

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  14. If the angle of depression from a lighthouse of two ships situated in ...

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  15. Answer any two questions : Determine the volume of a solid right circu...

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  16. A hemispherical bowl with radius of 9 cm is completely filled with wat...

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  17. Area of the base of a closed cylindrical water tank is 616 sq. meter a...

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  18. From the data given below, if the meadian is 32 find the value of f1 a...

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  19. Find the mode from the following distribution table :

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  20. In a frequency distribution having 6 class intervals the total frequen...

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