I have tried so many times to get the final answer but I couldn\'t and this is t

Question

I have tried so many times to get the final answer but I couldn't and this is the 3rd time posting these problems,
Please help me with that I have 1 hr left to solve them.
Thanks for your assistance.

A ball of radius 15 has a round hole of radius 9 drilled through its center. Find the volume of the resulting solid. Coffee is poured into one of mugs above at a constant rate(constant volume per unit time). The graph below shows the depth of coffee in the mug as a function of time. (Click on images for better view.) Which mug was filled with coffee? Re prepared to explain your choice (offline).

Explanation / Answer

1)Volume of the resulting solid = 4/3 * pi(153 - 93) =11050.22

2)(looking at the graph A is the answer.(ans)

First graph is incresing , then its decreasing and again increasing, same as the shape of A. So A is the answer.

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