gmihir wrote:

What is the volume of air inside empty rectangular cuboid?

1. Areas of two surfaces of the rectangular cuboid are 10 and 25.

2. Length of one of the sides is 5 units.

let the sides be l,b,h we need unique v= lbh

now

statement 1:

any combination may give the result i.e. areas 10 and 25 no unique info

INSUFFICIENT

statement 2:

only one side known rest two are unknown

INSUFFICIENT

1) and 2):

one of the side is 5 ; other may be 2, 12.5

one is 5 other may be 5, 2

hence its not unique

INSUFFICIENT

Hence E

Hope this helps..!!

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