A girl has 8 dolls out of which a pair of is to be selected to take with her. At most, how many different pairs are possible?
Choose the correct choice from the following choices
A) 100	B) 90	C) 50	D) 45	E) 28
N=8C2=8!/(6!2!)=8*7/2= 
<gadget id="calculator">8*7/2</gadget>
<output>28</output>
28   Correct Option: 28
<result>E</result>
A girl has 8 dolls out of which a pair of is to be selected to take with her. At most, how many different pairs are possible?