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If a metalic cube edge 1 cm is drawn int...

If a metalic cube edge 1 cm is drawn into a wire of diameter 3.2 mm, then find the length of the wire.

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AGRAWAL PUBLICATION-SAMPLE PAPER 12-EXERCISE
  1. ABC is an isoscles triangle, right-angled at C. Show that AB^2=2AC^2.

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  2. State the SAS cirterion of similarity of triangles.

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  3. If a metalic cube edge 1 cm is drawn into a wire of diameter 3.2 mm, t...

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  4. If a cuibcal block of side 7 cm is surmounted by a hemisphere, then fi...

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  5. If the n^(th) term of an A.P. is (3+n)/4, then find the common differe...

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  6. If 3 sec A - 2 cos B = sqrt3 and B = 30^@, then find the value of A.

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  7. If sin theta+sin^2 theta=1, then the value of cos^2 theta+cos^4 theta ...

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  8. The perimeter of a rectangle is 82 m and its area is 400 m^(2). What i...

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  9. What is the value of k for which the system of equations x + 2y - 3 = ...

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  10. Solve for x: sqrt2x^2+7x+5sqrt2 = 0

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  11. Find the distance between the points (0,5) and (-5,0).

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  12. Which term of the A.P. 21,42,63, 84,….is 210?

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  13. Solve for x and y: x-y = 3 and x+2y = 6

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  14. Write a quadratic equation whose zeroes are -7 and 5.

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  15. If sin theta = 12/13, find the value of : (sin^2theta- cos^2 theta)/(2...

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  16. Find the area and perimeter of a sheet of a paper which is a sector o...

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  17. If the perimeter of a circle and a square are equal, then what is the ...

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  18. The two opposite verticles of a square (-1,2) and (3,2) . Find the coo...

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  19. Find a relationship between x and y such that the point (x,y) is equid...

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  20. Find the greatest number which when divides 245 and 1029 leaves remain...

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