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A Cube of 9 Cm Edge is Immersed Completely in a Rectangular Vessel Containing Water. If the Dimensions of the Base Are 15 Cm and 12 Cm, Find the Rise in Water Level in the Vessel. - CBSE Class 9 - Mathematics

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Question

A cube of 9 cm edge is immersed completely in a rectangular vessel containing water. Ifthe dimensions of the base are 15 cm and 12 cm, find the rise in water level in the vessel.

Solution

Volume of cube `=S^3=9^3=729cm^3`

Area of base `lxxbxx15xx12=180cm^2`

Rise in water level = `"Volume of cube"/"Area of base of rectangular vessel"`

`(729)/180=4.05cm`

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APPEARS IN

 RD Sharma Solution for Mathematics for Class 9 by R D Sharma (2018-19 Session) (2018 to Current)
Chapter 18: Surface Areas and Volume of a Cuboid and Cube
Ex.18.20 | Q: 13 | Page no. 30
Solution A Cube of 9 Cm Edge is Immersed Completely in a Rectangular Vessel Containing Water. If the Dimensions of the Base Are 15 Cm and 12 Cm, Find the Rise in Water Level in the Vessel. Concept: Volume of a Cuboid.
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