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Subject :NSO    Class : Class 4

There are 6 children in a class. Each shook hands with each other. How many handshakes took place?

A 30
B 12
C 15
D 24


Ans 1:

Class : Class 5
a

Ans 2:

Class : Class 8
C 15

Ans 3:

Class : Class 5
A

Ans 4:

Class : Class 7
the correct answer is D

Ans 5:

Class : Class 7
A 30

Ans 6:

Class : Class 8
Vighneshwar , Bhavya and Anika can you tell me how the answer is A ??? Why are you telling the wrong answer ???

Ans 7:

Class : Class 7
A 30

Ans 8:

Class : Class 8
The correct answer is C

Ans 9:

Class : Class 7
AAAAAAAAAAAAAAAAAAAAAAA = Answer

Ans 10:

Class : Class 4

Ans 11:

Class : Class 4
Answer is A

Ans 12:

Class : Class 4
Answer should be A as 6 x 5 =30

Ans 13:

Class : Class 4
no repetition of same pairs ( like AB and BA )

Ans 14:

Class : Class 6

Ans 15:

Class : Class 5
As said in the solution no repeating of same pairs (AB and BA) so 15 is correct.

Ans 16:

Class : Class 4
the solution is correct as this is not combination this is just simple paring that is converted to handshakes . answer is C

Ans 17:

Class : Class 8

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