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Two cylindrical buckets have their diameters in the ratio 3:1 and their heights are as 1: 3. Find the ratio of their volumes.

2:1
3:1
4:1
5:1

Correct Answer: 3:1

Explanation:

$\frac{v 1}{v 2} = \frac{r 12 \times h 1}{r 22 \times h 2}$

d1 = $2 r 1$ and d2 = $2 r 2$ are diameters

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