CGPSC MAINS 2022 Paper-4

Points to Remember: Join Our Telegram Channel Renewable energy sources are naturally replenished over a relatively short period. They are environmentally friendly compared to fossil fuels. Different types of renewable energy have varying levels of efficiency and environmental impact. The transition to renewable energy is crucial for sustainable development. Introduction: Renewable energy resources are naturally … Read more

Points to Remember: Radioactive pollution is the contamination of the environment with radioactive substances. Main causes include nuclear accidents, nuclear weapons testing, and the disposal of radioactive waste. Effects range from immediate health problems to long-term genetic damage and environmental contamination. Control methods involve prevention, containment, and remediation. Introduction: Radioactive pollution refers to the contamination … Read more

Points to Remember: Bhaskaracharya’s writings and their references to Brahmagupta. Brahmagupta’s significant contributions to mathematics and astronomy. The nature of scholarly attribution in ancient Indian texts. Introduction: Bhaskaracharya II (c. 1114 – 1185 CE), a prominent mathematician and astronomer of the medieval period in India, significantly advanced the field of mathematics and astronomy. His works, … Read more

Points to Remember: This is a problem involving simultaneous equations. We need to define variables for the speed of the boat in still water and the speed of the stream. We will use the formula: time = distance / speed. Upstream speed is (boat speed – stream speed) and downstream speed is (boat speed + … Read more

Points to Remember: Join Our Telegram Channel This is a Least Common Multiple (LCM) problem combined with a unit conversion problem. We need to find the LCM of the given intervals (4, 6, 8, 10, 12, 16 seconds). We need to convert 40 minutes into seconds. Introduction: This question involves determining the frequency of a … Read more

Points to Remember: Copper’s unique properties and their origins in its atomic structure. The various stages of copper extraction and refining. Different copper alloys and their applications. Environmental considerations in copper metallurgy. Introduction: Copper (Cu), a reddish-brown metal, has been used by humans for millennia due to its exceptional properties: high electrical and thermal conductivity, … Read more

Points to Remember: Types of pollination: Self-pollination and Cross-pollination Methods of pollination: Anemophily (wind), Hydrophily (water), Zoophily (animals – including insects, birds, bats) Adaptations of flowers for different pollination methods. Introduction: Pollination is the process of transferring pollen grains from the anther (male part) of a flower to the stigma (female part) of the same … Read more

Please provide the questions about the Indian mathematician Brahmagupta that you would like me to answer. I need the questions to be able to provide a structured response following the format you’ve outlined. Subscribe on YouTube Join Our Telegram Channel

Points to Remember: Brahmagupta’s birthdate and birthplace. The name of Brahmagupta’s father. Introduction: Brahmagupta (ब्रह्मगुप्त) was a renowned Indian mathematician and astronomer who lived in the 7th century CE. He is considered one of the most significant figures in the history of mathematics, making substantial contributions to arithmetic, algebra, geometry, and trigonometry. Pinpointing the exact … Read more

Points to Remember: This question requires a factual approach, focusing on identifying and briefly describing the main works of a specified individual. The individual’s name is missing from the question, making a complete answer impossible. However, the structure below demonstrates how to answer such a question if the individual’s name were provided. This example will … Read more