Solved UPSC CDS/OTA Question
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Q · The Universe medium · 45s
What is the approximate age of the universe?
TopicThe Universe
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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Based on measurements like the cosmic microwave background radiation, the universe is estimated to be around 13.8 billion years old.
Final Answer: Option B - 13.8 billion years