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Write True or False Mean number of the...

Write True or False
Mean number of the numbers 5,6,7,8,9,10,11,12,13,14,15 is 10.

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UNITED BOOK HOUSE-HOWRAH ZILLA SCHOOL-EXERCISE
  1. Write True or False If the amount (principal+compound interest) of R...

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  2. Write True or False If x alpha y then x^n alpha y^n.

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  3. Write True or False Mean number of the numbers 5,6,7,8,9,10,11,12,13...

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  4. Write True or False If tan35^@ tan 55^@ = sinA then A =45^@.

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  5. Write True or False If the radius of a right circular cylinder is d...

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  6. Write True or False Only one circle can be drawn which touches the a...

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  7. Find the difference betweeen compound interest and simple interest of ...

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  8. Find the nature of the roots of the equation 2x^2-sqrt3x+2=0.

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  9. If a alpha b and b alpha c, show that a^3+b^3+c^3 alpha 5 abc.

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  10. OA and OB are the radius of a circle with centre at O and angleAOB= 15...

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  11. The diagonals of a square ABCD intersect at O. If the length of each s...

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  12. ABCD is cyclic quadrilateral. Extended BA upto F. AE||CD and if angleA...

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  13. Find the value of 1/(1+sin^2 20^@)+1/(1+cosec^2 20^@).

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  14. Find the value of sin^6 alpha+ cos^6 alpha+ 2sin^2 alpha cos^2 alpha.

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  15. The volume of a cuboid is 432 c.c. By melting it, to make two cube of ...

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  16. The lower and upper part of a solid object are hemispherical and conic...

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  17. If ui = (xi-25)/10 sumfiui = 20 and sumfi = 100, find barx.

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

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  19. A man deposits the money for each of his three sons in such a way tha...

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  20. A and B started a business in partnership by investing in the ratio of...

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