food spoils:

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food spoils:

by \'manpreet singh » Tue Aug 27, 2013 3:01 am
The reason much refrigerated food spoils is that it ends up out of sight at the back of the shelf. So why not have round shelves that rotate? Because such rotating shelves would have just the same sort of drawback, since things would fall off the shelves' edges into the rear corners.

Which of the following is presupposed in the argument against introducing rotating shelves?

(A) Refrigerators would not be made so that their interior space is cylindrical.
(B) Refrigerators would not be made to have a window in front for easy viewing of their contents without opening the door.
(C) The problem of spoilage of refrigerated food is not amenable to any solution based on design changes.
(D) Refrigerators are so well designed that there are bound to be drawbacks to any design change.
(E) Rotating shelves would be designed to rotate only while the refrigerator door was open.

OA-A
Source: — Critical Reasoning |

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by vinay1983 » Tue Aug 27, 2013 6:37 am
Assumption that refrigerators continue in their regular shape(Rectangle, Square) is a prerequisite for

the argument put forward, else the argument falls apart.
You can, for example never foretell what any one man will do, but you can say with precision what an average number will be up to!