IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: There are 209 doctors and nurses in a hospital. If the ratio of the doctors to the nurses is 11 : 8, then how many nurses are there in the hospital? 2301 0

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    88
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    96
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    108
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  • 4
    121
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    गलत
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उत्तर : 1. "88"
व्याख्या :

Answer: A) 88 Explanation: Given,The ratio of the doctors to the nurses is 11 : 8Number of nurses = 8/19 x 209 = 88.

प्र: What is always coming but never arrives? 2301 0

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उत्तर :
व्याख्या :

It is Tomorrow. It always be tomorrow which represents coming but never arrives.

प्र: Where is the Headquarter of ASEAN (Association of Southeast Asian Nations)? 2300 0

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    Jakarta
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    Beijing
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    Newyork
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  • 4
    Da Nang
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उत्तर : 1. "Jakarta"
व्याख्या :

Answer: A) Jakarta Explanation: The ASEAN Headquarters is located in Jakarta, Indonesia.   ASEAN is The Association of Southeast Asian Nations is a group of ten Southeast Asian countries. It was formed on 8th August 1967. The 10 countries in ASEAN are Indonesia, Malaysia, Philippines, Singapore, Brunei, Myanmar, Cambodia, Laos, Vietnam and Thailand.   Its main purpose include the acceleration of economic growth, social progress, cultural development among its members, the protection of the peace and stability of the region, and to provide opportunities for member countries to discuss differences peacefully.

प्र: The term hierarchy refers to 2298 0

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    a team in which everyone is equal and has to pull his or her own weight
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    a power structure in which each member knows his or her own place
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    a situation in which higher species such as men will always be in control of lower species such as animals
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    a condition in which the weak must die so the strong can survive
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उत्तर : 2. "a power structure in which each member knows his or her own place"
व्याख्या :

Answer: B) a power structure in which each member knows his or her own place Explanation: Hierarchy is a system of ranking in which members of a particular society are ranked in an ascending order depending on various factors.   Hence, the term hierarchy refers to a power structure in which each member knows his or her own place.

प्र: The average monthly salary of 24 employees in an organisation is Rs. 1500. If the manager's salary is added, then the average salary increases by Rs. 400. What is the manager's monthly salary ? 2296 0

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    Rs. 8840
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    Rs. 11,500
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    Rs. 12,800
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  • 4
    Rs. 9450
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उत्तर : 2. "Rs. 11,500"
व्याख्या :

Answer: B) Rs. 11,500 Explanation: Manager's monthly salary = Rs. (1900 x 25 - 1500 x 24) = Rs. 11,500

प्र: The outermost layer of the sun is called 2294 0

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    Corona
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    Chromosphere
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    Radiative Zone
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    Transition Region
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उत्तर : 1. "Corona"
व्याख्या :

Answer: A) Corona Explanation: The outermost layer of the sun is called The Corona.   The inner layers are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona. IRIS will focus its investigation on the Chromosphere and Transition Region.

प्र: Instruments for measuring Solar Radiation? 2292 0

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    Ammeter
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    Pyranometer
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    Dynamometer
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    Anemometer
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उत्तर : 2. "Pyranometer"
व्याख्या :

Answer: B) Pyranometer Explanation: Solar radiation instruments may be produced to measure different types of solar energy. When sunlight encounters the Earth's atmosphere, some of it is absorbed or scattered by water vapor, aerosols, clouds, and other air molecules. The radiation which penetrates to the Earth's surface is termed direct solar radiation.   A thermopile pyranometer is a type of actinometer used for measuring solar radiation on a planar surface and it is designed to measure the solar radiation flux density (W/m2) from the hemisphere above within a wavelength range 0.3 μm to 3 μm.

प्र: Where should a boat compass be mounted? 2292 0

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    near magnet
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    near iron
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    away from electrical wiring
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    All the above
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उत्तर : 3. "away from electrical wiring"
व्याख्या :

Answer: C) away from electrical wiring Explanation: A compass, which is used to assist in navigation, is an instrument that shows magnetic north. You must apply a correction to determine the direction of true north. The ability to steer a boat by a compass is useful if land is out of sight, visibility is reduced, or the boat operator is disoriented.   Mount a boat compass away from iron, magnets, and electrical wiring and equipment.

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