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Q: 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 ratio 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. 18 : 5
  • B. 14 : 3
  • C. 18 : 7
  • D. 12 : 5
Correct Answer: Option A -
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Explanations:

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