The ratio 21.5 : 20.5 is the same as :

1.	The ratio 2^1.5 : 2^0.5 is the same as :
A.	2 : 1
B.	3 : 1
C.	6 : 1
D.	3 : 2
Answer» B. 3 : 1

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The ratio 21.5 : 20.5 is the same as :

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The ratio 2^1.5 : 2^0.5 is the same as :