Find the number of ways in which 4 different beads can be arranged to form a necklace.  Choose the most appropriate option:	A) 30	B) 20	C) 3	D) 60	E) 80
Since in forming a necklace clockwise and anticlockwise arrangements are not different, therefore,4 beads can be arranged to form a necklace in(4-1)! /2ways   = 3*2/2= 
<gadget id="calculator">3*2/2</gadget>
<output>3</output>
3 ways   Answer is 3
<result>C</result>
Find the number of ways in which 4 different beads can be arranged to form a necklace.