DIRECTIONS(Q. 21-23): Awooden cube is painted blue on all the four adjoining sides and green on two oppositesides i.e. top and bottom. It is then cut at equal distances at right anglesfour times vertically (top to bottom) and two times horizontally (along the sides)as shown in the figure, where the dotted lines represent the cuts made. Studythe diagram and answer the following questions: How many cubes will have one face painted only in Green

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AnotherUser · Answer

1 There is one (CENTRAL) cube in the TOP LAYER and one (central) cube in the bottom layer which have one FACE PAINTED only in green. The figure may be analyzed by dividing it into three horizontal layers In the top layer the central cube has only one face painted green the four cubes at the comer have three face painted one face green and two faces blue. The remaining four cubes have two faces painted one green and one blue. In the middle layer the central cube has no face painted four cubes at the comers have two faces painted blue and the reaming four cubes have one face painted blue. In the bottom layer the central cube has one face painted green and four cubes at the comers have three faces painted two blue and one green. The remaining four cubes have two face painted-one blue and one green.

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