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Very Easy Logic Problems
Four people meet in a room. Each person shakes hands
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Sat Dec 04, 2010 6:11 pm  by tartle

Four people meet in a room. Each person shakes hands once with each other person.

How many hand shakes are there in all?
 
   
Thu Dec 23, 2010 5:44 am  by Rag

:) THE ANSWER IS 10
 
   
Wed Mar 16, 2011 5:49 pm  by wesmode12

The answer is 6.
 
   
Fri May 27, 2011 5:57 am  by ychick89c

the answer is 12...

ex: there is guy 1,2,3, and 4
guy one shakes hands with:
1-2, 1-3, 1-4
thats 3 hand shakes
continue with guy 2,3, and 4. or do 3 times 4. either way you find 12
 
   
Sun Jun 05, 2011 8:34 am  by aamil4u

I agree with wesmode. The answer is 6
 
   
Fri Jun 17, 2011 9:36 am  by einsteinager

The answer is 6.
For those who have heard of Combinations and Permutaions, the answer [size=9]4[/size]C[size=7]2[/size].
 
   
Tue Jan 29, 2013 8:33 pm  by Akoito

6 only,

1st person hand shakes with 2,3,4 is equal to 3 handshakes
2nd person hand shakes with 3,4 is equal to 2 handshakes
3rd person hand shakes with 4 is equal to 1 handshake
4th person has already shook hands with all of them, so a total of 6
 
   
Thu Apr 18, 2013 1:11 pm  by archit

i agree with einsteinager!
 
   
Tue Apr 30, 2013 10:16 am  by sheikh khaleed

I agree with wesmode & einsteinager. The answer is 6.

if 4 persons are A,B,C,D

They will shakes their hands with each person like

AB, AC, AD, BC, BD, & CD

So if is mote than 6 time then it would be doubled.
 
   
Sun Jan 19, 2014 3:10 am  by dave08

the answer is absolutely 12.
 
   
Thu Feb 06, 2014 1:58 pm  by praveen

it's sure.....6
 
   
Thu Feb 20, 2014 1:35 pm  by ashta27

People the answer is 6.
Here's a clear explanation.
There are 4 people namely A B C D.
A shakes hand with B C D.
B shakes hand with C D. (B has already shook hands with A in the line above so he won't do it again)
C shakes hand with D.
It's essential to remember that everyone shakes hands with others only once. So AB is the same as BA.
I hope it's clear.
If not I'll be happy to answer any query.
 
   
Fri Feb 21, 2014 9:59 am  by Maheshpandalath

there will be 6
 
   
Sat Jul 19, 2014 7:10 am  by sunflash

exactly 6 times
 
   
Mon Jul 21, 2014 2:30 pm  by jimmyz

like the 2014 world cup, each group has 4 teams and each team played 6 times to complete the first round game!
 
   
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