Q:

Three persons out of seven persons A, B, C, D, E, F and G are to form a committee under the following conditions.

i. Must choose A or C or both.

ii. If A and B are selected, then the other must be selected.

iii. C and D cannot be selected together.

If D is selected then which of the following can be selected -

• 1
  E, F
• 2
  C, E
• 3
  A, G
• 4
  A, B