Q1. Which gas is commonly known as laughing gas?
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Q3. Who was the first President of India?
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Q5. The sum of angles in a triangle is?
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Q6. Which part of the brain controls balance and coordination?
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Q8. Which element has the atomic number 8?
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Q9. The Mughal ruler Shah Jahan is famous for building which monument?
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Q11. Who wrote the Indian national anthem?
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Q15. What is the acceleration due to gravity (approx.) on Earth?
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Q17. Which vitamin is produced when the skin is exposed to sunlight?
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Q19. The Earth revolves around the Sun in approximately how many days?
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Q20. Which organ is responsible for pumping blood in the human body?
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Q22. Which of the following is a noble gas?
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Q23. In which year was the Constitution of India adopted?
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Q25. Which law explains the relationship between voltage, current, and resistance?
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Q26. What is the capital of Arunachal Pradesh?
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Q27. Which of the following is a non-renewable energy source?
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Q28. What is the formula for calculating the area of a circle?
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Q29. Which planet is known as the Red Planet?
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Q30. Who invented the telephone?
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