IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and back. What is the total distance traveled by the man ? 2241 05b5cc6d7e4d2b4197774e728
5b5cc6d7e4d2b4197774e728- 14.58 kmsfalse
- 26.35 kmsfalse
- 35.76 kmstrue
- 45.24 kmsfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "5.76 kms"
व्याख्या :
Answer: C) 5.76 kms Explanation: Speed in still water = 6 kmph Stream speed = 1.2 kmph Down stream = 7.2 kmph Up Stream = 4.8 kmph x/7.2 + x/4.8 = 1 x = 2.88 Total Distance = 2.88 x 2 = 5.76 kms
प्र: MS-EXCEL पर आधारित है 2239 05b5cc62ce4d2b4197774b923
5b5cc62ce4d2b4197774b923- 1OS/2false
- 2UNIXfalse
- 3WINDOWStrue
- 4DOSfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "WINDOWS"
व्याख्या :
Answer: C) WINDOWS व्याख्या: Microsoft Excel एक स्प्रेडशीट है जिसे Microsoft द्वारा Windows, macOS, Android और iOS के लिए विकसित किया गया है। इसमें गणना, रेखांकन उपकरण, पिवट टेबल और अनुप्रयोगों के लिए विजुअल बेसिक नामक एक मैक्रो प्रोग्रामिंग भाषा शामिल है।
प्र: Find the next number in the following number series? 11, 13, 30, 96, ? 2236 05b5cc688e4d2b4197774c318
5b5cc688e4d2b4197774c318- 1264false
- 2392true
- 3412false
- 4459false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "392"
व्याख्या :
Answer: B) 392 Explanation: The given number series 11, 13, 30, 96, ? follows a pattern that, 11 11 x 1 + 2 = 13 13 x 2 + 4 = 30 30 x 3 + 6 = 96 96 x 4 + 8 = 392 Hence, the next number in the given series is 392.
प्र: Which solution is most concentrated? 2235 05b5cc615e4d2b4197774b6ce
5b5cc615e4d2b4197774b6ce- 16 g of solute in 10 ml of solutionfalse
- 220.5 g of solute in 50 ml of solutionfalse
- 330 g of solute in 120 ml of solutionfalse
- 42.6 g of solute in 2 ml of solutiontrue
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 4. "2.6 g of solute in 2 ml of solution"
व्याख्या :
Answer: D) 2.6 g of solute in 2 ml of solution Explanation: A concentrated solution will contain the most solute molecules per solvent molecules. Here in the given options, 1) 6/10 = 0.6 2) 20.5/50 = 0.41 3) 30/120 = 0.25 4) 2.6/2 = 1.3 Hence, option D) is most concentrated.
प्र: The term metabolism is best defined as 2235 05b5cc696e4d2b4197774c556
5b5cc696e4d2b4197774c556- 1the number of calories it takes to keep from shivering on a cold dayfalse
- 2biochemical reactions involved in building cell molecules or breaking down molecules for energytrue
- 3the length of time it takes to digest and absorb fatsfalse
- 4a measure of carbohydrate utilization, typically involving measurement of caloriesfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "biochemical reactions involved in building cell molecules or breaking down molecules for energy"
व्याख्या :
Answer: B) biochemical reactions involved in building cell molecules or breaking down molecules for energy Explanation: Metabolism (from Greek: μεταβολή metabolē, "change") is the set of life-sustaining chemical transformations within the cells of organisms. The three main purposes of metabolism are the conversion of food/fuel to energy to run cellular processes, the conversion of food/fuel to building blocks for proteins, lipids, nucleic acids, and some carbohydrates, and the elimination of nitrogenous wastes. In brief, the chemical processes that occur within a living organism in order to maintain life is called metabolism.
प्र: How many square units in 13 by 9? 2234 05b5cc615e4d2b4197774b6b8
5b5cc615e4d2b4197774b6b8- 113false
- 29false
- 3117true
- 413/9false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "117"
व्याख्या :
Answer: C) 117 Explanation: Number of square units in 13 by 9 is given by the area it forms with length and breadth as 13 & 9 Area = 13 x 9 = 117 Hence, number of square units in 13 by 9 is 117 sq.units.
प्र: Which of the following is the basic characteristic of Oligopoly ? 2234 05b5cc6d2e4d2b4197774e41f
5b5cc6d2e4d2b4197774e41f- 1a few sellers, many buyerstrue
- 2many sellers, a few buyersfalse
- 3a few sellers, a few buyersfalse
- 4a few sellers, one buyerfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "a few sellers, many buyers"
व्याख्या :
Answer: A) a few sellers, many buyers Explanation:
प्र: What is the Name of first cricketer of India to have a cricket stadium in the name of him ? 2229 05b5cc6c2e4d2b4197774dbfa
5b5cc6c2e4d2b4197774dbfa- 1Sachin Tendulkarfalse
- 2Sunil Gavaskartrue
- 3Saurav Gangulyfalse
- 4Virender Sehwagfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "Sunil Gavaskar"
व्याख्या :
Answer: B) Sunil Gavaskar Explanation: The legendary Indian cricketer Sunil Gavaskar has achieved a number of milestones in his cricket career and till this day, can now add another feather to his illustrious cap as a stadium in the United States of America will be named after him and he remains an inspiration for aspiring batsmen across India. The stadium, which is being built in Louisville, Kentucky, will be named as Sunil Gavaskar Field. It is a first for any Indian cricketer.

