प्रश्न और उत्तर का अभ्यास करें
8प्र: There are 10 Letters and 10 correspondingly 10 different Address. If the letter are put into envelope randomly, then find the Probability that Exactly 9 letters will at the Correct Address ? 2047 05b5cc705e4d2b4197774f1ee
5b5cc705e4d2b4197774f1ee- 11/10false
- 21/9false
- 31false
- 40true
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 4. "0"
व्याख्या :
Answer: D) 0 Explanation: As we know we have 10 letter and 10 different address and one more information given that exactly 9 letter will at the correct address....so the remaining one letter automatically reach to their correct address P(E) = favorable outcomes /total outcomesHere favorable outcomes are '0'.So probability is '0'.
प्र: The average of a non-zero number and its square is 11 times the number. The number is ? 2047 05b5cc72ce4d2b4197774f741
5b5cc72ce4d2b4197774f741- 122true
- 221false
- 311false
- 417false
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उत्तर : 1. "22"
व्याख्या :
Answer: A) 22 Explanation: Let the number be 'x'. x+x22 = 11x x2= 22x => x = 22.
प्र: What does 'M' stand for in chemistry? 2046 05b5cc615e4d2b4197774b6bd
5b5cc615e4d2b4197774b6bd- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
'M' is used as a unit of molarity and stands for mole per litre i.e, number of moles of solute per liter of solution.
प्र: The production possibilities curve illustrates the basic principle that 2046 05b5cc62fe4d2b4197774b96a
5b5cc62fe4d2b4197774b96a- 1if all the resources of an economy are in use, more of one good can be produced only if less of another good is produced.true
- 2the production of more of any one good will in time require smaller and smaller sacrifices of other goods.false
- 3an economy will automatically obtain full employment of its resources.false
- 4an economy's capacity to produce increases in proportion to its population size.false
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "if all the resources of an economy are in use, more of one good can be produced only if less of another good is produced."
व्याख्या :
Answer: A) if all the resources of an economy are in use, more of one good can be produced only if less of another good is produced. Explanation: A graph that describes the maximum amount of one good that can be produced for every possible level of production of the other good is nothing but a production possibilities curve.
प्र: अंतर्राष्ट्रीय क्रिकेट परिषद के हॉल ऑफ फेम में कितने क्रिकेटरों को शामिल किया गया है?
2046 05d36eaadb8c93a5165ec6166
5d36eaadb8c93a5165ec6166- 143false
- 266false
- 372false
- 489true
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उत्तर : 4. "89"
प्र: Plants synthesis protein from which 2046 05c497bf485451c5d3308c077
5c497bf485451c5d3308c077- 1starchfalse
- 2sugarfalse
- 3amino acidstrue
- 4fatty acidsfalse
- 5starchfalse
- 6sugarfalse
- 7amino acidstrue
- 8fatty acidsfalse
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उत्तर : 3. "amino acids" 7. "amino acids"
प्र:In each of the following questions, sentences are given with blanks to be filled in with an appropriate word (s). Four alternatives are suggested for each question. Choose the correct alternative out of the four and indicate your choice for the correct answer.
Freedom is not a………but our birth right.
2046 05d79e99c9b43216ae13ce3f6
5d79e99c9b43216ae13ce3f6- 1sinfalse
- 2gifttrue
- 3farcefalse
- 4illusionfalse
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उत्तर : 2. "gift"
व्याख्या :
undefined
प्र: छतों में फैन बॉक्स लगाए जाते हैं ?
2046 05ef4167fd40ebf3f783329a5
5ef4167fd40ebf3f783329a5- 1केसिंग - केपिंग वायरिंग मेंfalse
- 2क्लीट वायरिंग मेंfalse
- 3कंड्यूट वायरिंग मेंtrue
- 4वायरिंग मेंfalse
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उत्तर : 3. "कंड्यूट वायरिंग में"
व्याख्या :
अधिकांश बिल्डिंग कोड में छत के पंखों को धातु या मजबूत प्लास्टिक से बने विशेष पंखे-रेटेड बक्सों पर लगाने की आवश्यकता होती है, जिसमें बढ़ते पेंच के लिए गहरे धागे वाले छेद होते हैं। बॉक्स को सीधे फ़्रेमिंग सदस्य से जोड़कर या पंखे-रेटेड ब्रेस का उपयोग करके मजबूती से लगाया जाना चाहिए।

