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Write True or False
If the length of radius of a sphere is doubled then the volume of it will be doubled.

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UNITED BOOK HOUSE-PATRASAYER BAMIRA GURUDAS INSTITUTION, BANKURA-EXERCISE
  1. Write True or False If 0^@lealphale90^@then the minimum value of (s...

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  2. Write True or False The incentre and circumcentre of an equilateral t...

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  3. Write True or False If the length of radius of a sphere is doubled th...

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  4. Write True or False Mode of the data 2,3,9,10,9,3,9 is 10.

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  5. What is the rate of simple interest in percent per annum if the total ...

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  6. If sqrt3 sin theta+ cos theta = 2, then theta= ? (0^@lethetale90^@).

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  7. The price of machine decreased by 10% in each year. If the present pri...

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

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  9. In a partnership business, the ratio of the capitals of three partners...

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  10. If tan 3x.tan 3y = 1, then sin(x+y)=?

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  11. A circle with centre O, a point P is 25 cm away from the centre of th...

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  12. If x= (sqrt5+1)/2, show that x^2-x-1=0.

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  13. If the length of radius of a sphere is increased by 50%, then how much...

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  14. Find the value of overset(10)underset(i=1)sum(10xxi).

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  15. The length of base diameter and height of a right circular cone are 16...

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  16. If a principal beocmes Rs 560 in 3 years and Rs 600 in 5 years at the ...

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  17. Two friends invested Rs 40,00 and Rs 50,00 respectively to stard a bu...

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  18. Solve: 1/x-1/(x+b)=1/a-1/(a+b) (x!=0,-b).

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  19. If the roots of the quadratic equation (a^2+b^2)x^2-2(ac+bd)x+(c^2+d^2...

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  20. If (x+sqrt(x^2-1))/(x-sqrt(x^2-1))+(x-sqrt(x^2-1))/(x+sqrt(x^2-1))= 14...

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