C_{60}, an allotrope of carbon contains 


(a) 
16 hexagons and 16 pentagons 
(b) 
18 hexagons and 14 pentagons 

(c) 
20 hexagons and 12 pentagons 
(d) 
12 hexagons and 20 pentagons 
C_{60}, an allotrope of carbon contains 


(a) 
16 hexagons and 16 pentagons 
(b) 
18 hexagons and 14 pentagons 

(c) 
20 hexagons and 12 pentagons 
(d) 
12 hexagons and 20 pentagons 
Fullerene (C_{60}) contains 20 six membered rings and 12 five membered rings.