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2sqrtpi is a quadratic surd....

`2sqrtpi` is a quadratic surd.

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CALCUTTA BOOK HOUSE-SAMPLE QUESTIONS PAPERS-QUESTION
  1. If the average of ( a1, a2 , a3………………. , an) be bar a then the average...

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  2. In a business the ratio of principals of Laxmi and Narayana is 4:5. If...

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  3. 2sqrtpi is a quadratic surd.

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  4. If the ratio of three sides of a triangle be 3:4:5, then the triangle ...

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  5. In Delta ABC, /B = 90^@ If AB = BC then prove /C= 45^@

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  6. The volume of a right circular cone remains the same when its radius o...

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  7. The mode of the frequency distributions 2, 3, 9, 10, 9, 3, 9, is 10.

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  8. Find the rate of simple interest in percent per annum if the simple in...

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  9. Determine the period of time if a principal be doubled in t years at a...

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  10. If one of the roots of the quadratic equation be x^2 - (1+b)x+6 = 0 be...

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  11. If a/2=b/3 =c/4 =(3a-ab+4c)/p, then find the value of p.

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  12. Simplify : sqrt2 - sqrt(18) + sqrt(27) - sqrt(32)

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  13. If x prop y^2 and y = 2a, when x = a, then find the relation between x...

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  14. AB is a diameter of the circle with centre at O. R is any point on the...

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  15. Find the roots of the equation by the method of completing the square ...

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  16. The lengths of sides of three cubes are 3 m, 4 m 5 m respectiveluy. A ...

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  17. If 0^@ lt theta lt 90^@ , then find the least value of (9 tan^2 theta ...

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  18. Fing the value of tan 1^@ tan2^@ tha^@ ……………. Tan89^@.

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  19. If ui = (xi-25)/10, sumfiui = 20 and sumfi = 100 then find the value o...

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  20. At the rate of 10% compound interest per annum fird the principal of ...

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