Question

Students in a particular school use glasses which is in the form of a frustum
of a cone of same size to drink milk. The radii of two circular faces of the glass are 5 cm and
7 cm and its height is 9 cm. The total number of students in the school is 100. Each student is given one glass of milk completely filled. The supplier brings the milk in a cylindrical container with base diameter 40 cm. Find the minimum height of the container required to
store milk​

Answer 1

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Answer 2

Answer:

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