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A right circular cylinder is partially f...

A right circular cylinder is partially filled with water. Two iron spherical balls are completely im- mersed in the water so that the height of the water in the cylinder rises by 4 cm. If the radius of one ball is half of the other and the diameter of the cylinder is 18 cm, then the radii of the spherical balls are:

A

6 cm and 12 cm

B

4 cm and 8 cm

C

3 cm and 6 cm

D

2 cm and 4 cm

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CHAMPION PUBLICATION-2016 TIER-II PAPER(16)-EXERCISE
  1. Two regular polygons are such that the ratio between their number of s...

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  2. In an isosceles triangle, the length of each equal side is twice the l...

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  3. A right circular cylinder is partially filled with water. Two iron sph...

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  4. The whole surface area of a pyramid whose base is a regular polygon is...

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  5. If p = 99 then the values of p ( p ^(2) + 3p + 3) is

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  6. If x+1/x=c+1/c then the value of x यदि x+1/x=c+1/c तो x का मान बताइए

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  7. If the sum of squares of two real numbers is 41 and their sum is 9, th...

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  8. A complete factorisation of ( x ^(4) + 64) is

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  9. If a + b = 1 then a^(4) + b^(4) - a^(3) - b^(3)- 2a^(2) b^(2) + ab ...

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  10. If x ^(2) + y ^(2) + 6x + 5 =4 (x-y) then x-y is

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  11. If a = 299, b = 298 , c = 297 then the value of 2a ^(3) + 2b ^(3) + 2...

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  12. If x+1/x= sqrt 3, then the value of x^18+x^12+x^6+1 is equal to : य...

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  13. If x=1+sqrt""2+sqrt""3, then the value of 2x^(4)-8x^(3)-5x^(2)+26x-28 ...

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  14. If 2r = h + sqrt(r^(2) + h^(2)), then the ratio r : h (r ne 0) is:

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  15. In an equilateral triangle ABC, G is the centroid. Each side of the tr...

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  16. PQ is a tangent to the circle at T. If TR = TS where R and S are point...

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  17. In DeltaABC, AC = BC and angleABC = 50^(@), the side BC is produced to...

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  18. In a circle, a diameter AB and a chord PQ (which is not a diameter) in...

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  19. ABC is a triangle, PQ is line segment interseting AB in P and AC in Q ...

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  20. If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are th...

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