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Direction (Next five Questions): There are 128 cubes with me which are coloured according to two schemes,
(i) 64 cubes each having two red adjacent faces and one yellow and the other blue on their opposite faces while green on the rest.
(ii) 64 cubes each having two adjacent blue faces and one red and other green on their opposite faces while red on the rest. They are then mixed up.
Now answer the following questions based on the above statement:
Question:- How many cubes have only one red face each?
0
64
128
192
No. of red faces among first 64 cubes =64*2=128 No. of red faces among second 64 cubes =64*3= 192 Therefore, total number of red faces = 128 + 192 = 320
Out of 128 cubes no cube have only one face is red
Hence, option 1 is the correct answer.
By: Amit Kumar ProfileResourcesReport error
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