how many people are at the meeting

Question

anonymous · Answer

At a meeting of 12k people, each person exchanges greetings
with exactly 3k+6 others. For any two people, the number who exchange
greetings with both is the same.

shubhamsrg · Answer

*

anonymous · Answer

okay, i can post the solution if you dont mind

shubhamsrg · Answer

Oh you have the solution ? Please wait a day, I wish to try it.

anonymous · Answer

okay if you say so

anonymous · Answer

WHAT MEETING AND WHAT PEOPLE.. THOSE PEOPLE DO NOT EXIST...

anonymous · Answer

lol lets say on openstudy then

badhi · Answer

Can you please explain further the phrase - "For any two people, the number who exchange
greetings with both is the same." It's bit confusing to me

anonymous · Answer

if we choose any 2 people ,everyone has greated them the same number of times

anonymous · Answer

HINT For each two people let n be the number of people exchanging greetings
with both of them.

shubhamsrg · Answer

Please post the solutin now.

anonymous · Answer

attachment

anonymous · Answer

brain buster...

anonymous · Answer

The length of a rectangle is 7 inches more than three times the width. The perimeter is 94 inches. Find the length and width.

anonymous · Answer

i must say the meeting question is a heavy question

anonymous · Answer

@eliassaab @shubhamsrg @raden_zaikaria @perl

anonymous · Answer

no i idnt it was a different one

raden_zaikaria · Answer

yes...hehe

anonymous · Answer

new question on the block

anonymous · Answer

The length of a rectangle is 7 inches more than three times the width. The perimeter is 94 inches. Find the length and width.

raden_zaikaria · Answer

ok.... dont give the solution rite now..... give us one day ok hehe

anonymous · Answer

ok no problem.. lol.. smh i will be waiting

anonymous · Answer

http://openstudy.com/study#/updates/511661bce4b09e16c5c86136

anonymous · Answer

if you want to solve more of this meeting problem