IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: What is the Capital city of Peru? 1863 05b5cc69fe4d2b4197774c9dd
5b5cc69fe4d2b4197774c9dd- 1Sucrefalse
- 2Manamafalse
- 3Limatrue
- 4Bogotafalse
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उत्तर : 3. "Lima"
व्याख्या :
Answer: C) Lima Explanation: Lima is the Capital of Peru and its Currency is Sol.
प्र: The preamble to our constitution provided that India is 1863 05b5cc670e4d2b4197774c04d
5b5cc670e4d2b4197774c04d- 1a sovereign, socialist, secular and democratic republictrue
- 2a sovereign republic with a socialist pattern of societyfalse
- 3a socialist, secular and democratic republicfalse
- 4a sovereign, socialist and democratic republicfalse
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उत्तर : 1. "a sovereign, socialist, secular and democratic republic"
व्याख्या :
Answer: A) a sovereign, socialist, secular and democratic republic Explanation: The Preamble was adopted with the constitution in the constituent assembly. The Preamble proclaims the solemn resolution of the people of India to constitute India into a 'Sovereign socialist secular democratic republic'.
प्र: Who prepares the topographical maps of India? 1863 05b5cc6a5e4d2b4197774ccc0
5b5cc6a5e4d2b4197774ccc0- 1Defence Ministryfalse
- 2Geological Survey of Indiafalse
- 3Survey of Indiatrue
- 4Geographical Survey of Indiafalse
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उत्तर : 3. "Survey of India"
व्याख्या :
Answer: C) Survey of India Explanation: Survey of India publishes maps and the unrestricted category maps can be obtained at very affordable prices from its several Geospatial data centers. Restricted category maps require due approval from government authorities. Many other rules govern the sale and use of Survey of India maps. Only an Indian citizen may purchase topographic maps and these may not be exported from India for any reason. The Survey of India is India's central engineering agency in charge of mapping and surveying, set up in 1767. Its members are from Survey of India Service cadre of Civil Services of India. It is headed by the Surveyor General of India.
प्र: Acceptable noise level for human ear 1863 05b5cc651e4d2b4197774bd0a
5b5cc651e4d2b4197774bd0a- 1> 85 dbfalse
- 2= 85 dbfalse
- 3< 85 dbtrue
- 4None of the abovefalse
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उत्तर : 3. "< 85 db"
व्याख्या :
Answer: C) < 85 db Explanation: Sound intensity or level is measured by a unit called a decibel. An 85 decibel noise level is not a safe standard for the public. Hence, Acceptable noise level for human ear is less than 85 db.
प्र: P alone can do a piece of work in 24 days. The time taken by P to complete one-third of work is equal to time taken by Q to complete half of the work. How many days are required to complete by P and Q working together ? 1863 05b5cc6c2e4d2b4197774dbaa
5b5cc6c2e4d2b4197774dbaa- 19 3/5 daystrue
- 27 daysfalse
- 36 3/7 daysfalse
- 48 daysfalse
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उत्तर : 1. "9 3/5 days"
व्याख्या :
Answer: A) 9 3/5 days Explanation: Let the total work be 'W' As per the given information, P can complete the work 'W' in 24 days. => one day work of P = W/24 And also given that, The time taken by P to complete one-third of work is equal to time taken by Q to complete half of the work => PW/3 = QW/2 => P's 1 day = W/24 ? = W/3 => ? = 24W/3W = 8 => QW/2 = 8 days => Q alone can complete the work W in 16 days => P + Q can complete the work in 1/24 + 1/16 = 5/48 => 48/5 days = 9 3/5 days.
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उत्तर :
व्याख्या :
Answer 1) 1/3 x (54 x 150 + 60 x 300 + 36 x 450) = 1/3 x 42300 = 14100. Answer 2) Required ratio of chairs = 64 x 450 + 56 x 50036 x 450 + 44 x 500 = 56800/38200 = 284/191. Answer 3) Required number of chairs = 35 x 12100 x 50000= 3600.
प्र: Richest Municipal Corporation in India? 1862 05b5cc6a1e4d2b4197774cab8
5b5cc6a1e4d2b4197774cab8- 1Hyderabadfalse
- 2Mumbaitrue
- 3Delhifalse
- 4Ludhianafalse
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उत्तर : 2. "Mumbai"
व्याख्या :
Answer: B) Mumbai Explanation: Brihanmumbai Municipal Corporation (BMC), is the governing civic body of Mumbai, the Municipal Corporation of Greater Mumbai, Maharashtra is India's richest municipal corporation. The BMC's annual budget exceeds that of some of the smaller states of India.
प्र: A myocardial infarction is a heart attack. 1862 05b5cc60ae4d2b4197774b587
5b5cc60ae4d2b4197774b587- 1TRUEtrue
- 2FALSE Answer & Explanation Answer:false
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उत्तर : 1. "TRUE"
व्याख्या :
Answer: A) TRUE Explanation: True, the given statement that a myocardial infarction is a heart attack.

