The ratio of present ages of R and S is 5 : 7, 5 years ago R was 30 ye – McqOptions

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1.	The ratio of present ages of R and S is 5 : 7, 5 years ago R was 30 years old. What was the age (in years) of S 10 years ago?
A.	39
B.	32
C.	49
D.	42
Answer» B. 32

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