IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: A train 900 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is ? 1029 05b5cc6dce4d2b4197774e99c
5b5cc6dce4d2b4197774e99c- 1400 mtrue
- 2300 mfalse
- 3500 mfalse
- 4600 mfalse
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उत्तर : 1. "400 m"
व्याख्या :
Answer: A) 400 m Explanation: Speed = 78 x 5/18 = 65/3 m/sec.Time = 1 min = 60 sec.Let the length of the train be x meters.Then, (900 + x)/60 = 65/3x = 400 m.
प्र: Which liquid is the most viscous? 1029 05b5cc6abe4d2b4197774d016
5b5cc6abe4d2b4197774d016- 1Waterfalse
- 2Dieselfalse
- 3Milkfalse
- 4Oiltrue
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उत्तर : 4. "Oil"
व्याख्या :
Answer: D) Oil Explanation: Here Oil is the most viscous liquid. The liquid with the most intermolecular force is high viscous. viscosity is how smoothly a liquid flows and how hardly the liquid flows it is highly viscous.
प्र: A man spend 20% of his monthly salary on his children's education and 50% of his salary on food and transport. After Paying the rent of Rs.1000, he is left with Rs.2000. What is his monthly salary? 1029 05b5cc6bae4d2b4197774d7e9
5b5cc6bae4d2b4197774d7e9- 17000false
- 210000true
- 314000false
- 420000false
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उत्तर : 2. "10000"
व्याख्या :
Answer: B) 10000 Explanation: Let his monthly salary be 'P' 20% on children's education = 20P100 = P5 50% on food and transport = 50P100 = P2 1000 on rent => P - P5 - P2 - 1000 = 2000=> 3P = 30000=> P = 10000 Therefore, his monthly salary = Rs. 10,000
प्र: The cabinet minister of India who deals with Ministry of Defence in June 2017 ? 1028 05b5cc6d3e4d2b4197774e536
5b5cc6d3e4d2b4197774e536- 1Shri Narendra Modifalse
- 2Shri Rajnath Singhfalse
- 3Shri Kalraj Mishrafalse
- 4Shri Arun Jaitleytrue
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उत्तर : 4. "Shri Arun Jaitley"
व्याख्या :
Answer: D) Shri Arun Jaitley Explanation: 1. Shri Narendra Modi Prime Minister and also in-charge of:– Ministry of Personnel– Public Grievances and Pensions– Department of Atomic Energy– Department of Space All important policy issues and all otherportfolios not allocated to any Minister. 2. Shri Raj Nath Singh - Minister of Home Affairs3. Smt. Sushma Swaraj - Minister of External Affairs4. Shri Arun Jaitley – Minister of Finance – Minister of Corporate Affairs5. Shri M. Venkaiah Naidu – Minister of Urban Development – Minister of Housing and Urban Poverty Alleviation – Minister of Information & Broadcasting6. Shri Nitin Jairam Gadkari – Minister of Road Transport & Highway – Minister of Shipping7. Shri Arun Jaitley(Additional Charge) - Minister of Defence8. Shri Suresh Prabhu - Minister of Railways9. D.V Sadananda Gowda - Minister of Statistics & Programme Implementation10. Sushri Uma Bharati - Minister of Water Resources, River Development & Ganga Rejuvenation11. Mukhtar Abbas Naqvi - Minister of Minority Affairs12. Shri Ramvilas Paswan - Minister of Consumer Affairs, Food & Public Distribution13. Shri Kalraj Mishra - Minister of Micro, Small & Medium Enterprises14. Maneka Sanjay Gandhi - Minister of Women & Child Development15. Shri Ananth Kumar - Minister of Chemicals & Fertilizers16. Shri. Ravi Shankar Prasad – Minister of Law & Justice – Minister of Electronics & Information Technology17. Shri Jagat Prakash Nadda - Minister of Health & Family Welfare18. Ashok Gajapathi Raju Pusapati - Minister of Civil Aviation19. Shri. Anant Geete - Minister of Heavy Industries & Public Enterprises20. Smt. Harsimrat Kaur Badal - Minister of Food Processing Industries21. Shri Narendra Singh Tomar – Minister of Rural Development – Minister of Panchayati Raj – Minister of Drinking Water & Sanitation22. Shri Chaudhary Birender Singh - Minister of Steel23. Shri Jual Oram - Minister of Tribal Affairs24. Shri Radha Mohan Singh - Minister of Agriculture & Farmers Welfare25. Shri Thawar Chand Gehlot - Minister of Social Justice & Empowerment26. Smt. Smriti Irani - Minister of Textiles27. Dr Harsh Vardhan – Minister of Science & Technology – Minister of Earth Sciences 28. Prakash Javadekar - Human Resource Development
प्र: Who has been appointed as the first woman Secretary General of the Lok Sabha? 1028 05b5cc6bce4d2b4197774d8c5
5b5cc6bce4d2b4197774d8c5- 1Rama Devifalse
- 2Sumitra Mahajanfalse
- 3Anupama Karefalse
- 4Snehlata Shrivastavatrue
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उत्तर : 4. "Snehlata Shrivastava"
व्याख्या :
Answer: D) Snehlata Shrivastava Explanation: Snehlata Shrivastava, appointed as the first woman Secretary General of the Lok Sabha. The appointment was made by Lok Sabha Speaker Sumitra Mahajan. Ms. Shrivastava will replace Anoop Mishra, who retired on November 30, 2017. Ms. Shrivastava, a senior civil servant with 35 years of rich and varied administrative experience is a 1982 batch IAS officer from the Madhya Pradesh cadre. Rama Devi holds the distinction of the being the first woman secretary general of the Rajya Sabha.
प्र: Who was involved in the Holocaust? 1027 05b5cc61ee4d2b4197774b7ac
5b5cc61ee4d2b4197774b7ac- उत्तर देखें
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उत्तर :
व्याख्या :
Adolf Hitler was involved in the Holocaust. The Holocaust, also referred to as the Shoah, was a genocide during World War II in which Nazi Germany, aided by its collaborators, systematically murdered approximately 6 million European Jews, around two-thirds of the Jewish population of Europe, between 1941 and 1945.
प्र: What is the currency of South Korea? 1027 05b5cc6a6e4d2b4197774cdd4
5b5cc6a6e4d2b4197774cdd4- 1Kronafalse
- 2Zlotyfalse
- 3Wontrue
- 4Nakfafalse
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उत्तर : 3. "Won"
व्याख्या :
Answer: C) Won Explanation:
प्र: A certain amount earns simple interest of Rs. 2260 after 3 years. Had the interest been 1 % more how much more interest would it have earned ? 1027 05b5cc6c1e4d2b4197774db78
5b5cc6c1e4d2b4197774db78- 1Rs. 175false
- 2Rs. 220.75false
- 3Rs. 126false
- 4Can't be determinedtrue
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उत्तर : 4. "Can't be determined"
व्याख्या :
Answer: D) Can't be determined Explanation: Here given Interest earned = Rs. 2260 Time = 3 years Rate of interest = ? Principal Amount = ? So, it can't be determined.