Question

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Answer 1

Answer:

so 150 marbles should be dropped in beaker to rise the level of water till 5.6cm

Answer 2

Answer:

volume of the cylinder on taking 5.6as height

=volume of the x spheres

π(7/2)(7/2)(5.6)=(x)4/3 π(.7)(.7)(.7)

150 =x(number of marbles)