Question 8
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The ages of a grandfather and his grandson are in the ratio 9 : 1, and the grandfather is 64 years older. How old is the grandson?
- A 9 years
- B 7 years
- C 8 years Correct
- D 72 years
Correct Answer: Option C
9k − k = 64 → 8k = 64
k = 8
Answer: 8 years
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