question_answer

A bucket is in the form of a frustum of a cone of height 30 cm with radii of its lower and upper ends as 10 cm and 20 cm, respectively. Based on this information, choose the correct option.\[[use\,\pi =3.14]\]

A)  The capacity of the bucket is 25.980 litres.

B)  Surface area of the bucket is \[3292.60\,\,c{{m}^{2}}\](approx).

C)  The cost of milk which can completely fill the container at the rate of Rs. 50 per litre is Rs. 549.50.

D)  All the above

E)  None of these