There r some groups and lodges. And there have given some conditions. Depending onthis we have to find how many lodges and how many men in each group.1. Each person belongs to exactly 2 lodges.2. One loge is associated with exactly 3 members3. Any pair of lodges consists of exactly one common person from a group.

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suresh

  • May 25th, 2005
 

4 lodges, 6 persons

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nitin tyagi

  • Jun 26th, 2005
 

suposs L denotes lodges and P denotes persons 
 
then L1 has P1,P2,P3 
L2 has P1,P4,P5 
L3 has P2,P4,P6 
L4 has P3,P5,P6 
 
so ans is 4 lodges and 6 person

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