Test: PSAT Math


A right rectangular prism has a volume of 64 cubic units. Its dimensions are such that the second dimension is twice the length of the first, and the third is one-fourth the dimension of the second. What are its exact dimensions?

2 x 4 x 8

1 x 4 x 16

4 x 4 x 4

3 x 6 x 12

1 x 2 x 32

1/4 questions


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