If a : b = 4 : 5, then what will be the ratio of (a / b) : (b / a)? – McqOptions

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1.	If a : b = 4 : 5, then what will be the ratio of (a / b) : (b / a)?
A.	4 : 5
B.	5 : 4
C.	16 : 25
D.	1 : 1
Answer» D. 1 : 1

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