Question
Present age of a grandfather is 72 years, while his grandson's age is 12 years. After 8 years, ratio of grandfather's age to grandson's age would be ____.
Answer: Option C
:
C
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:
C
Grandfather's present age is 72 years.
Grandson's present age is 12 years.
After 8 years,
grandfather's age would be 72 + 8 = 80 years
and grandson's age would be 12 + 8 = 20 years.
So, after 8 years, the ratio of grandfather's age to grandson's age would be 8020=41=4:1.
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