In an examination, six subjects were available for candidate of which only three had to be offered under the following conditions. |
One who offered A had to offer B also and vice versa. |
One who offered A could not offer E. |
One who offered C or D could not offer F. |
How many combinations were permitted? |
A) 4
B) 5
C) 6
D) 7
Correct Answer: A
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