20. | When did Yuri Alekseyevich Gagaris of Russia, the first man to reach space, reached space? | |||||||
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21. | What is the height of Nainital, Uttaranchal above sea level? | |||||||
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22. | When a given amount of air is cooled | |||||||
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24. | What is the purpose of OECD (Organisation for Economic Cooperation and Development)? | |||||||
Answer: Option D Explanation: No answer description available for this question. |