HCF of 2472,1284 and a third number 'n'is 12.If their LCM is 8*9*5*103*107.then the number 'n'is.	Choose one:	A) 160	B) 170	C) 180	D) 190	E) 200
2472=8*3*103   1284=4*3*107   so n = 4*3*x   dividing by hcf   2472/12=2*103   1284/12= 
<gadget id="calculator">1284/12</gadget>
<output>107</output>
107   lcm/12=2*3*5*103*107   x=lcm/first*second   x=2*3*5*103*107/2*103*107=3*5= 
<gadget id="calculator">3*5</gadget>
<output>15</output>
15   number is= 15*12= 
<gadget id="calculator">15*12</gadget>
<output>180</output>
180   ANSWER:180
<result>C</result>
HCF of 2472,1284 and a third number 'n'is 12.If their LCM is 8*9*5*103*107.then the number 'n'is.