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Yogita Ingle 5 years, 4 months ago
The sum of the measures of complementary angles is 90º.
(i) 20°
Complement = 90° − 65°
= 25°
Posted by Anushree Anirudh 5 years, 4 months ago
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Arpita Kumari 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Prithviraj Chauhan was a Rajput king who ruled the kingdoms of Ajmer and Delhi in northern India in 12th century; he was one of the last independent Hindu kings to sit upon the throne of Delhi. Also known as Rai Pithora, he was a Rajput king hailing from the Chauhan dynasty. Born as the son of Someshwar Chauhan, the king of Ajmer, Prithviraj started displaying signs of his greatness at an early age. He was a very brave and intelligent child blessed with sharp military skills. He practiced hard shabd bhedi archery skills since childhood. As a young boy he could accurately hit targets only on the basis of its sounds. After the death of his father in a battle in 1179, Prithviraj Chauhan succeeded the throne. He ruled over the twin capitals of Ajmer and Delhi which he had received from his maternal grandfather, Arkpal or Anangpal III of the Tomara dynasty. As the king, he set out on several campaigns to expand his territories and became well-known as a valiant and courageous warrior. His battles with Shahabuddin Muhammad Ghori are especially well-known as is the heroics of his elopement with Sanyukta, the daughter of Raja Jaichandra of Kannauj.
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Mohit Saini 5 years, 4 months ago
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Meghna Thapar 5 years, 1 month ago
An invention is a unique or novel device, method, composition or process. The invention process is a process within an overall engineering and product development process. It may be an improvement upon a machine or product or a new process for creating an object or a result. An invention that achieves a completely unique function or result may be a radical breakthrough. Such works are novel and not obvious to others skilled in the same field. An inventor may be taking a big step toward success or failure.
Some inventions can be patented. A patent legally protects the intellectual property rights of the inventor and legally recognizes that a claimed invention is actually an invention. The rules and requirements for patenting an invention vary by country and the process of obtaining a patent is often expensive.
Another meaning of invention is cultural invention, which is an innovative set of useful social behaviours adopted by people and passed on to others. The Institute for Social Inventions collected many such ideas in magazines and books. Invention is also an important component of artistic and design creativity. Inventions often extend the boundaries of human knowledge, experience or capability.
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Gaurav Seth 5 years, 4 months ago
Q : Mention some sources of Natural sources of acid
A n s w e r :
( a ) Citric acid - Lemon .
(b) Oxalic acid - Tomatoes.
(c) Lactic acid - Sour milk or curd.
(d) Tartaric acid - Tamarind.

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Gupta Sakshi Gupta 5 years, 4 months ago
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