Q21. What is the speed of light?
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Q22. Choose the antonym of βBoldβ.
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Q23. Which planet is known as the βRed Planetβ?
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Q27. Which gas is most abundant in Earthβs atmosphere?
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Q29. Who invented the telephone?
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Q34. The largest planet in the solar system is:
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Q35. Find the next number in the sequence: 5, 10, 15, __, 25
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Q38. What is the basic unit of currency in India?
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