# 20 GK Questions for Class 3 | GK for class 3 | GK | General Knowledge Questions and Answers

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**Who invented the Light Bulb?**

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**Thomas Alva Edison****Which planet in our solar system is known as the Red Planet?**

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Mars**What is the name of the biggest planet in our solar system?**

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Jupiter**Who invented the Telephone?**

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Alexander Graham Bell**Who discovered Penicillin?**

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Alexander Fleming**Which is the hottest planet in our solar system?**

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Venus**Which is the smallest planet in our solar system?**

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Mercury**Which planet in our solar system is known as the Blue Planet?**

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Earth**Who invented the Printing Press?**

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Johannes Gutenberg**Who successfully built and flew the world’s first Aeroplane?**

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The Wright Brothers (Orville and Wilbur Wright)**What is the name of the largest moon of Saturn?**

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Titan**Which planet in our Solar System takes the longest time to complete its revolution around the Sun?**

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Neptune**Which planet in our Solar System has thousands of spectacular rings around it?**

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Saturn**What is French scientist Louis Pasteur famous for?**

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Discovering the principle of vaccination, microbial fermentation, and pasteurization.**Which is the smallest bird in the world?**

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Bee Hummingbirds**Who invented the Computer?**

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Charles Babbage**How many hours are there in a day?**

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24 hours**How many minutes are there in an hour?**

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60 minutes**1 L is equal to how many grams?**

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1000 ml**The length of a field can be measured in Millimetres/Metres/Kilometres.**

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Metres**The distance between Mumbai and Hyderabad can be measured in Centimetres/ Metres/Kilometres?**

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Kilometres**When a number is multiplied by zero, the answer you get is always ____.**

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Zero