IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Which of the following became widespread during the 1980's? 1501 05b5cc62fe4d2b4197774b97e
5b5cc62fe4d2b4197774b97e- 1Internetfalse
- 2Radiofalse
- 3Cable televisiontrue
- 4All the abovefalse
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उत्तर : 3. "Cable television"
व्याख्या :
Answer: C) Cable television Explanation: Cable television or cable TV became widespread during the 1980's.
प्र: Which of the following vitamin helps in clotting of blood? 1500 05b5cc68be4d2b4197774c3b6
5b5cc68be4d2b4197774c3b6- 1Vitamin Ktrue
- 2Vitamin Dfalse
- 3Vitamin B1false
- 4Vitamin B2false
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उत्तर : 1. "Vitamin K"
व्याख्या :
Answer: A) Vitamin K Explanation: Vitamin K helps in clotting of blood. It is used by the body to help blood clot. Warfarin (Coumadin) is used to slow blood clotting. By helping the blood clot, vitamin K might decrease the effectiveness of warfarin (Coumadin).
प्र: Which state announced the shift of financial year from March - April to Jan - December ? 1499 05b5cc6e3e4d2b4197774ece3
5b5cc6e3e4d2b4197774ece3- 1Assamfalse
- 2Goafalse
- 3Keralafalse
- 4Madhya Pradeshtrue
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उत्तर : 4. "Madhya Pradesh"
व्याख्या :
Answer: D) Madhya Pradesh Explanation:
प्र: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by ___________. 1499 05b5cc6dde4d2b4197774e9fb
5b5cc6dde4d2b4197774e9fb- 1Mehbooba Muftitrue
- 2Narendra Modifalse
- 3Nitin Gadkarifalse
- 4Pranab Mukherjeefalse
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उत्तर : 1. "Mehbooba Mufti"
व्याख्या :
Answer: A) Mehbooba Mufti Explanation: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by Chief Minister Mehbooba Mufti who hoped the facility would ease traffic congestion in and around Lal Chowk. The multi-level car park, located near the old KMD bus stand on Maulana Azad Road, has been set up at a cost of Rs 27.15 crore and has a capacity to hold 288 vehicles.
प्र: What does ELA stand for in education 1499 05b5cc60de4d2b4197774b5db
5b5cc60de4d2b4197774b5db- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
ELA - English Language Arts.
प्र: In a mixture of milk and water the proportion of water by weight was 75%. If in 60 gm of mixture 15 gm water was added, what would be the percentage of water ? (Weight in gm) 1499 05b5cc73de4d2b4197774f943
5b5cc73de4d2b4197774f943- 180%true
- 270%false
- 375%false
- 462%false
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उत्तर : 1. "80%"
व्याख्या :
Answer: A) 80% Explanation: Water in 60 gm mixture=60 x 75/100 = 45 gm. and Milk = 15 gm. After adding 15 gm. of water in mixture, total water = 45 + 15 = 60 gm and weight of a mixture = 60 + 15 = 75 gm. So % of water = 100 x 60/75 = 80%.
प्र: What frequency range is the high frequency band? 1499 05b5cc697e4d2b4197774c5d6
5b5cc697e4d2b4197774c5d6- 13 kHzfalse
- 23 to 30 MHztrue
- 330 to 300 MHzfalse
- 410 GHzfalse
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उत्तर : 2. "3 to 30 MHz"
व्याख्या :
Answer: B) 3 to 30 MHz Explanation: The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.
प्र: When 5% is lost in grinding Maize, a country has to import 20 million bags; but when only 2% is lost, it has to import only 15 million bags. Find the quantity of Maize, which grows in the country ? 1498 05b5cc6dae4d2b4197774e88f
5b5cc6dae4d2b4197774e88f- 1188 millionfalse
- 2166 2/3 milliontrue
- 3192 3/4 millionfalse
- 4Nonefalse
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उत्तर : 2. "166 2/3 million"
व्याख्या :
Answer: B) 166 2/3 million Explanation: 5% - 2% = 3%=> 3% ------ 5 million bags 100% ---- ? => 166 2/3 million bags.