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CBSE Class 10 Answered

Social welfare Association decides to supply drinking water for the flood affected people the drinking water is filled in a water tanker which is in the shape of a cylinder with hemispherical ends as shown in the figure the length of the tanker is 4.2 metre and the diameter of the base of the cylinder to hemisphere are each 1.2 metre if the distribute drinking water to 60 people in a container each of the shape of the cylinder radius 21 cm and height 15 cm find the quantity of the voter list in the tanker after distribution in litre 
Asked by adithyakambli123 | 13 Mar, 2020, 07:29: PM
answered-by-expert Expert Answer
Tank
total space height space equals space 4.2 space straight m
radius space of space cylinder space equals space 0.6
height space of space cylinder space equals space 4.2 space minus 0.6 minus 0.6 equals 3
total space volume space equals space vol. space of space cylinder space plus space 2 cross times vol. space of space hemisphere
equals straight pi open parentheses 0.6 close parentheses squared 3 plus 2 cross times 2 over 3 cross times straight pi cross times 0.6 cubed
equals 3762 over 875 straight m cubed
container space volume equals straight pi open parentheses 21 over 100 close parentheses squared cross times 15 over 100 equals 0.02079 straight m cubed
60 space containers equals 1.2474 straight m cubed
Water space left equals 3762 over 875 minus 1.2474 equals 3.0520 space straight m cubed equals 3052 space liters
Answered by Arun | 19 Mar, 2020, 04:21: PM

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