Sonu's grandmother is 80years old and Sonu is 20 years old. How many years ago was his grandmother 7 times as old as Sonu
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8 years back
Before 8 years sonu was 12 and his grandmother was 72 12*7=72
Before 8 years sonu was 12 and his grandmother was 72 12*7=72
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Hi
Age of sonu eight years=
20-7=12
Grandmother's age eight years back was=80-12=72 and 12×7=72.
Age of sonu eight years=
20-7=12
Grandmother's age eight years back was=80-12=72 and 12×7=72.
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