SOLUTION: A cylindrical jar is 20 cm high with diameter 7 cm.An iron cube of edge 5 cm is immersed in the jar completely in the water which was 12 cm high. Find the rise in the level of wate

Algebra ->  Volume -> SOLUTION: A cylindrical jar is 20 cm high with diameter 7 cm.An iron cube of edge 5 cm is immersed in the jar completely in the water which was 12 cm high. Find the rise in the level of wate      Log On


   

Question 827617: A cylindrical jar is 20 cm high with diameter 7 cm.An iron cube of edge 5 cm is immersed in the jar completely in the water which was 12 cm high. Find the rise in the level of water?
Answer by mananth(16946) About Me  (Show Source):
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diameter = 7 cm
radius = 3.5 cm
Volume of cylinder = pi r^2 h
Volume per cm height = 22/7 * 3.5 *1=11cm^3
11cm^3 = 1 cm of height of the jar
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Volume of cube = 5^3 = 125 cm^3
125/11= height increase
=11.36 cm is the increase in height