The ratio of a man's age to his father's age is 4 : 5, and the ratio o – McqOptions

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1.	The ratio of a man's age to his father's age is 4 : 5, and the ratio of his age to his son's age is 6 : 1. Four years ago these ratios were 11 : 14 and 11 : 1, respectively. The ratio of the age of the grandfather to that of the grandson 12 years from now will be:
A.	12 : 5
B.	18 : 7
C.	18 : 5
D.	14 : 3
Answer» D. 14 : 3

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