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 1

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

80/20=4/1

ratio=4:1

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