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At present the population of village is P and if increased rate of populaton per year be R%, then the population was before N years______.

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UNITED BOOK HOUSE-BIDHANNAGAR GOVT, HIGH SCHOOL-EXERCISE
  1. If cot alpha=tan (beta+delta) then alpha+beta+delta=

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  2. Median of 100,200,22,24,10,12,14,15,18,20 is

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  3. Fill n the blanks At present the population of village is P and if ...

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  4. If the ordered pairs (x-2,2y+1) and (y-1,x-2) be equal then find x,y

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  5. Fill n the blanks if the angle of elevation a kite is 60^@ and the l...

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  6. The geometric mean of numbers observations x1, x2, x3,….,xn is

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  7. The volume of a right circular cylindre, 14 cm in height, is equal to ...

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  8. Fill n the blanks The sides of an equilateral triagnle are theof its...

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  9. Write True or False If the ratio of the capital of A,B,C is 1/6:1/5:...

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  10. Write True or False Total interest of Rs y and y^2 years at the rate...

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  11. Write True or False If the ratio of the capital of A,B,C is 1/6:1/5:...

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  12. Write True or False If the ratio of the capital of A,B,C is 1/6:1/5:...

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  13. Write True or False Mode of 3,4,5,2,3,4,1,6,4,2 is 4.

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  14. Find the simple interest on Rs.68,000 at 50/3% per annum for 9 months ...

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  15. If a=1/(2+sqrt3) and b=1/(2-sqrt3), then (1/(a+1)+1/(b+1))=?

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  16. O is the circumcentre of triangleABC and D is the midpoint of BC, if a...

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  17. In triangleABC, DE||BC and if AD:BD = 3:1 then DE:BC=?

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  18. Express 1+4 cosec^2 theta.cot^2theta as a perfect square.

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  19. In a partnership business, the ratio of capitals of Pathik, Pabirta an...

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  20. If the sum of the roots of the equation x^2-x=K(2x-1) is zero, then fi...

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