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Madhur Gupta

· started a discussion

· 1 Months ago

wrong nswer (Question: 185948.0 )

opposite fces-

y-v
o-i
b-g

Question:
Each of the six different faces of a cube has been coated with a different colour, i.e., V, I, B, G, Y and O. Colours Y, O and B are on the adjacent faces.  Colours I, G and Y are on the adjacent faces. Colours B, G and Y are on the adjacent faces. Colours O, V and B are on the adjacent faces. Which is the colour of the face opposite to the face coloured with O?
Options:
A) B
B) V 
C) G 
D) Y
Solution:

Ans: (c) 


let


Colours Y, O and B are on the adjacent faces _________(1)


Colours I, G and Y are on the adjacent faces __________(2)


Colours B, G and Y are on the adjacent faces__________(3)


Colours O, V and B are on the adjacent faces__________(4)


From 2 and 3, I and B are on opposite faces.


from 1 and 4, Y and V are on opposite faces.


Hence, G is the colour of the face opposite to the face coloured with O.

Knowledge Expert

· commented

· 1 Months ago

its correct....

let
Colours Y, O and B are on the adjacent faces _________(1)

Colours I, G and Y are on the adjacent faces __________(2)

Colours B, G and Y are on the adjacent faces__________(3)

Colours O, V and B are on the adjacent faces__________(4)

From 2 and 3, I and B are on opposite faces.

from 1 and 4, Y and V are adjacent to O.

Hence, G is the colour of the face opposite to the face coloured with O.
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