Q. 285.0( 9 Votes )

A donor agency en

Answer :

(a) Amount of milk one container can hold = Volume of frustum


As we know


volume of frustum of a cone


Where, h = height, r1 and r2 are radii of two ends (r1 > r2)


For given container,


Radius of top, r1 = 40 cm


Radius of bottom, r2 = 20 cm


Height of each container, h = 30 cm


Using these values,


We have.




Now,


1000 cm3 = 1 L


⇒ 88000 cm3 = 88 L


No of container required



(ii) Cost = Amount of milk × Rate of milk


Cost = 880 × 35 = 30800 RS


(iii) The organization empathies with the victims and aspires to help the needy ones, the agency portrays the values of kindness and humanity.


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