1.
Read the following information and answer the questions based on it.
The length ,breadth and height of a rectangular piece of wood in the 4cm,3cm, 5cm respectively
Opposite side of 5cm x 4 cm pieces are coloured in red colour
Oppsite sides 4cm x 3 cm ,are cloured in blue
Rest 5 cm x 3 cm are coloured in green in both sides
Now the piece is cut in such way that a cuboid of 1cm x 1cm x 1cm will be madeHow many cuboids shall have only one colour ?
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By: anil on 05 May 2019 01.34 am
Number of cuboids which have only 1 colour are the middle cuboids in all the faces. Also, there are 2 types of each faces. Red face = $$8 imes 2=16$$ Green face = $$3 imes 2=6$$ Blue face = $$2 imes 2=4$$ Total = $$16+6+4=26$$ => Ans - (E)
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