[ A ] 495 

[ B ] 1485  
[ C ] 2221  
[ D ] None of these 
[ A ] 495 

[ B ] 1485  
[ C ] 2221  
[ D ] None of these 
Answer : Option A 
Explanation : 
G.M. = $3\sqrt{125 X 729 X 1331}$ = $3\sqrt{5^3 X 9^3 X 11^3}$ = 5 Ã— 9 Ã— 11 = 495 
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