Gujarat BoardEnglish MediumSTD 8MATHSPower Play3 Marks
Question
What was the date 1 arab/1 billion seconds ago?
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Answer
1 billion seconds $=1,000,000,000$ seconds $1,000,000,000 \div(60 \times 60 \times 24 \times 365)=31.71$ years 31.71 years $=31$ full years and $0.71 \times 365=259$ days Today is : 28 July 2025 Subtracting 31 years $\rightarrow 28$ July 1994 Going back 259 days from 28 July $1994 \rightarrow 11$ November 1993. So, 1 billion seconds ago was November 11, 1993.
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