Question

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The dimensions of a conical funnel are shown below:

A conical funnel is shown with the height of the cone as 8 inches and the radius of the base as 3 inches.

Nisha closes the nozzle of the funnel and fills it completely with a liquid. She then opens the nozzle. If the liquid drips at the rate of 15 cubic inches per minute, how long will it take for all the liquid to pass through the nozzle? (Use π = 3.14.)

Answer 1

Your answer would be B: (5.02) minutes

Explanation:

Answer 2

The volume of the conical funnel is given by V = 1/3 pi (r^2)h; where pi = 3.14, r = 3 and h = 8. Therefore, V = 1/3 pi (3^2) x 8 = 24pi = 75.36. Now, the liquid drips at the rate of 15 cubic inches per minute. Thus it will take it 75.36 / 15 = 5.024 minutes forthe water to pass through the nozzle.