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“The Knowledge Library”
Knowledge for All, without Barriers…
An Initiative by: Kausik Chakraborty.
“The Knowledge Library”
Knowledge for All, without Barriers……….
Knowledge for All, without Barriers…
A man feared his wife wasn’t hearing as well as she used to and he thought she might need a hearing aid. Not quite sure
What is inferential statistics? Inferential statistics is used to analyse the results and draw conclusions. Experts described inferential statistics as the mathematics and logic of
एक कुएं में बहुत से मेंढक रहते थे। उनके राजा का नाम था गंगदत्त। गंगदत्त बहुत झगडालू स्वभाव का था। आसपास दो तीन और भी
▪️ जल का pH मान कितना होता है = 7 ▪️ दूध का PH मान कितना होता है = 6.4 ▪️ सिरके का PH कितना
Chest pain is one of the most common reasons that people visit the emergency room (ER). Chest pain varies depending on the person. It also
Basohli Paintings Basohli Paintings are a form of miniature paintings that originated in the town of Basohli in the Kathua district of Jammu and Kashmir.
▪️Badminton – Service, Deuce, Smash, Drop, Let, Game, Love, Double Fault. ▪️Baseball – Pitcher, Strike, Diamond, Bunting, Home Run, Put Out. ▪️Basketball – Alley-oop, Dunk,
What are sine, cosine, and tangent? They’re three of the main functions in trigonometry. You may have heard about them already in math class. Trigonometry is connected to geometry and other branches of math. It
मुगल साम्राज्य किसके शासन काल में मलिक मोहम्मद जायसी ने ‘पद्मावत’ की रचना की Ans. शेरशाह किस मुगल शासक ने दो बार शासन किया Ans. हुमायूँ किस
देश दुनिया के बेहतरीन फैक्ट्स | Amazing Facts around the World जापान में हर साल 16 दिसंबर को Shukatsu Festival मनाया जाता है जिसमें लोग
Union Finance Minister Nirmala Sitharaman presented the Union Budget — the one for the forthcoming financial year (2024-25). Since it’s the last one before Lok
एक वन में एक ऋषि रहते थे. उनके डेरे पर बहुत दिनों से एक चूहा भी रहता आ रहा था. यह चूहा ऋषि से बहुत
Sodium Compounds Common Name Chemical Name Formula Washing soda Sodium carbonate Na2CO3 Baking soda Sodium bicarbonate NaHCO3 Borax Sodium tetraborate decahydrate Na2B4O7·10H2O Brine Aqueous sodium
▪️जम्मू एवं कश्मीर – गुलाम मोहम्मद सद्दीक ▪️हरियाणा – भगवत दयाल शर्मा ▪️हिमाचल प्रदेश – यशवंत सिंह परमार ▪️पजाब – डॉ॰ गोपीचन्द
Daily Current Affairs, News Headlines 06.11.2025 National Updates Maharashtra has become the first state in India to sign an agreement with Starlink Satellite Communications Private
Daily Current Affairs, News Headlines 05.11.2025 National Updates The India Meteorological Department (IMD) has forecast heavy rainfall at isolated places over Tamil Nadu, Puducherry and
Daily Current Affairs, News Headlines 04.11.2025 National Updates Minister of State for Personnel, Public Grievances and Pensions Dr. Jitendra Singh inaugurated the Mega Pensioners’ Camp
Daily Current Affairs, News Headlines 03.11.2025 National Updates India’s space agency ISRO successfully launched the LVM3-M5 rocket from the Satish Dhawan Space Centre in Sriharikota
https://youtube.com/shorts/zhWpZcqzk5w?feature=share 27 जनवरी के इतिहास की महत्वपूर्ण घटनाएँ – TODAY IN HISTORY आज का इतिहास 1343 : एक पोप का आदेश क्लेमेंट VI ने जारी
26 जनवरी के इतिहास की महत्वपूर्ण घटनाएँ – TODAY IN HISTORY आज का इतिहास 1748 : फ्रांस विरोधी संधि पर सार्डिनिया, नीदरलैंड, ऑस्ट्रेलिया और ब्रिटेन ने
25 जनवरी के इतिहास की महत्वपूर्ण घटनाएँ – TODAY IN HISTORY आज का इतिहास 1327 : इंग्लैंड के राजा एडवर्ड III को बनाया गया था।
Darwin Day 1502: Vasco-da-Gama embarked on his second voyage to India from Lisbon, Portugal. 1922: Gandhi persuaded the Congress Executive Committee to end the non-cooperation movement.
MCQs on Prominent Gardens in India Q. Which garden is famous for Mughal architecture in Srinagar? / श्रीनगर में कौन सा बाग मुगल वास्तुकला के लिए प्रसिद्ध है? A. Shalimar Bagh B. Nishat Bagh C. Chashme Shahi D. Pinjore Garden …
Understanding Solar New Year: Traditions, Significance, and Celebrations Across the World The concept of the Solar New Year represents one of humanity’s oldest and most fascinating ways of marking time. Unlike the widely recognized Gregorian New Year that begins on …
Bhagavad Gita Chapter-wise full Explanation Chapter 1 – Arjuna Vishada Yoga (The Yoga of Arjuna’s Despair) This chapter sets the background of the Gita. The armies of the Pandavas and Kauravas stand ready at Kurukshetra. Arjuna asks Krishna to place …
The Bhagavad Gita The Bhagavad Gita begins on the battlefield of Kurukshetra just before the great war of the Mahabharata starts. Two great armies stand facing each other. On one side are the Pandavas, who are fighting for justice and …
The Mahabharata – Complete Story The Beginning of the Kuru Dynasty The story of the Mahabharata begins with the powerful Kuru dynasty which ruled northern India from their capital Hastinapura. This dynasty became famous because of the great war that …
The Story of Ramayana The Ramayana is one of the most important epics of ancient India. It was written by the great sage Valmiki. It tells the story of Lord Rama, the prince of Ayodhya, and his life journey filled …
MCQ Quiz on World Theatre Day MCQ Quiz on World Theatre Day Also Read: MCQ Quiz on Ram Manohar Lohia
Vocabulary For All Competitive Exams | 27-03-2026 Having a good command of Vocabulary will help you to ace many competitive exams. So here We bring you “Vocabulary For All Competitive Exams” on a daily basis to boost Vocabulary Power and helps you …
Daily Current Affairs, News Headlines 27.03.2026 National Updates The government said that India has 74 days of total reserve capacity and actual stock cover, including crude stocks, product stocks and the dedicated strategic storage in caverns, is around 60 days …
MCQs on Vice-Presidents of India Q. Who was the first Vice-President of India? भारत के पहले उपराष्ट्रपति कौन थे? A. Sarvepalli Radhakrishnan B. Zakir Husain C. V. V. Giri D. K. R. Narayanan Answer: A. Sarvepalli Radhakrishnan Q. Who was …
Chipko Movement: A Powerful Grassroots Environmental Movement That Changed India’s Forest Conservation History The Chipko Movement stands as one of the most influential environmental movements in India’s history. Emerging from the Himalayan region, it reshaped how people, policymakers, and governments …
MCQs on Presidents of India Q. Who was the first President of India? / भारत के प्रथम राष्ट्रपति कौन थे? A. Rajendra Prasad B. S. Radhakrishnan C. Zakir Husain D. V. V. Giri Answer: B. Rajendra Prasad Q. Who was …
MCQ on Important Act & Bill in India Q. Regulating Act was passed in which year? / रेगुलेटिंग एक्ट किस वर्ष पारित हुआ था? A. 1773 B. 1784 C. 1813 D. 1833 Answer: A. 1773 Q. Pitt’s India Act was …
MCQ on Sources of Indian Constitution Q. Fundamental Rights are borrowed from which country? / मौलिक अधिकार किस देश से लिए गए हैं? A. USA B. UK C. Ireland D. Canada Answer: A. USA Q. Parliamentary system is borrowed from? …
MCQ on Mughal Empire Q. Who was the founder of the Mughal Empire? / मुगल साम्राज्य का संस्थापक कौन था? A. Babur B. Humayun C. Akbar D. Jahangir Answer: A. Babur Q. Who defeated Ibrahim Lodi in the First Battle …
Rama Navami: Significance, Traditions, History, and Modern Celebrations Rama Navami is one of the most revered festivals in India, celebrated with devotion and spiritual enthusiasm across the country and among Hindu communities worldwide. The festival marks the birth anniversary of …
Baisakhi: History, Significance, Traditions, and Celebrations Across India Baisakhi is one of the most vibrant and culturally rich festivals celebrated in India, especially in the northern states. Marking the arrival of the harvest season and holding deep historical and religious …
Jallianwala Bagh Massacre Remembrance Day: A Detailed Historical Reflection Jallianwala Bagh Massacre Remembrance Day is observed every year to honor the memory of hundreds of innocent Indians who lost their lives in one of the darkest chapters of colonial rule …