IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: What is the Capital city of Peru? 1863 0

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    Sucre
    सही
    गलत
  • 2
    Manama
    सही
    गलत
  • 3
    Lima
    सही
    गलत
  • 4
    Bogota
    सही
    गलत
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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 0

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    a sovereign, socialist, secular and democratic republic
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    a sovereign republic with a socialist pattern of society
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  • 3
    a socialist, secular and democratic republic
    सही
    गलत
  • 4
    a sovereign, socialist and democratic republic
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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 0

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    Defence Ministry
    सही
    गलत
  • 2
    Geological Survey of India
    सही
    गलत
  • 3
    Survey of India
    सही
    गलत
  • 4
    Geographical Survey of India
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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 0

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    > 85 db
    सही
    गलत
  • 2
    = 85 db
    सही
    गलत
  • 3
    < 85 db
    सही
    गलत
  • 4
    None of the above
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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 0

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    9 3/5 days
    सही
    गलत
  • 2
    7 days
    सही
    गलत
  • 3
    6 3/7 days
    सही
    गलत
  • 4
    8 days
    सही
    गलत
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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.

प्र: Richest Municipal Corporation in India? 1862 0

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    Hyderabad
    सही
    गलत
  • 2
    Mumbai
    सही
    गलत
  • 3
    Delhi
    सही
    गलत
  • 4
    Ludhiana
    सही
    गलत
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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 0

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    TRUE
    सही
    गलत
  • 2
    FALSE Answer & Explanation Answer:
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उत्तर : 1. "TRUE"
व्याख्या :

Answer: A) TRUE Explanation: True, the given statement that a myocardial infarction is a heart attack.

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