In the following question, select the related number pair from the given alternatives._x005F_x000D_ Â _x005F_x000D_ 16 : 21 : : ? : ?_x005F_x000D_

In the following question, select the related number pair from the giv

1.	In the following question, select the related number pair from the given alternatives._x005F_x000D_ Â _x005F_x000D_ 16 : 21 : : ? : ?_x005F_x000D_
A.	0.59652777777778
B.	0.64097222222222
C.	0.76527777777778
D.	0.89513888888889
Answer» B. 0.64097222222222