# 150 spherical marbles, each of diameter 1.4 cm, are dropped in a cylindrical vessel of diameter 7 cm containing some water, which are completely immersed in  water. Find the rise in the level of - Mathematics

150 spherical marbles, each of diameter 1.4 cm, are dropped in a cylindrical vessel of diameter 7 cm containing some water, which are completely immersed in  water. Find the rise in the level of water in the vessel.

#### Solution

Solution:
Given:-
Diameter of cylindrical vessel = 7 cm
Diameter of spherical marbles = 1.4 cm
Volume of a sphere = Volume of 150 spherical marbles, each of diameters 1.4 cm = volume of cylindrical vessel of diameter 7 cm displaced

Volume of a Sphere =4/3 pir^3

150 xx4/3 pi(1.4/2)^3=pi(7/2)^2xxh

h=5.6 cm

Concept: Surface Area of a Combination of Solids
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Chapter 14: Surface Areas and Volumes - Exercise 14.1 [Page 30]

#### APPEARS IN

RD Sharma Class 10 Maths
Chapter 14 Surface Areas and Volumes
Exercise 14.1 | Q 46 | Page 30

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