Question

12. How many cylindrical glasses, diameter 8 cm, height
15 cm, can be filled from cylindrical vessel, diameter
30 cm, height 80 cm, full of milk. (There is no need
to substitute for pie).
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Answer 1

Answer:

75 glasses

Step-by-step explanation:

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Answer 2

       

Given

Cylindrical vessel:

Diameter = 30cm 

Radius = 15cm

Height = 64cm

Now, 

Volume of cylindrical vessel =  πr2h

                                 = 3.14 x 15 x 15 x 64 

                                 =  45216 cm3

Again,

Cylindrical glass:

Diameter= 8cm

Radius= 4cm

Height= 15cm

Now,

Volume of cylindrical vessel =  πr2h

                                  = 3.14 x 4 x 4 x 15

                                  = 753.6 cm3

No. of cylindrical glasses can be filled = Cylindrical vessel

                                                           Cylindrical glass

                                                        =     45216

                                                               753.6  

                                                          =  60